Question about 2007 Hyundai Entourage Limited Minivan

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Intermittent no start condition

How does replacement of ''IPM Assembly'' correct ''intermittent no start condition''?

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  • Anonymous Feb 10, 2009

    I have had the same Intermittent no start condition problem, currently in Belgium without elect service support from ANY DEALERS ! Help

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I had an intermittent no-start condition on my 2005 Saturn Vue. These are totally different vehicles, so this is only a suggestion of theory, not an actual fix. Sometimes the vehicle would do NOTHING on a key turn. No lights, no clicking, nothing. The only thing that saved me was that it broke hard while under warranty. It took them a week.

Problem was a bad connection on the theft immobilizer system. The ECU was sensing ignition switch tampering. On the molex style connectors, the pins are retained in the connector by a tiny little tab. One single pin was loose on a connector under the fuse block.

Posted on Mar 02, 2009

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2005 Cadillac DeVille codes PCMP1574 and IPMB0429


B0429
Temperature Control 3 Circuit Range IPM
The actuator is an electronic stepper motor. The HVAC control module (IPM) supplies power and ground to the actuator. The IPM controls the direction of the actuator by changing the polarity of the control circuits. When the actuator reaches its desired position, both circuits are fixed to the same value (9.5-12 volts). The IPM determines the door position by counting pulses (voltage fluctuations) caused by the brush to commutator action generated during normal motor operation. The IPM monitors a voltage drop across an internal resistance to detect the pulses. The IPM converts the pulses to counts with a range of 0-255 counts.
When a calibration or recalibration procedure is performed, the IPM calculates the door travel range. The IPM commands the actuator to each extreme position and counts the total number of pulses. The IPM compares the total number of pulses to calibrated limits. If the total pulse count is less than or equal to the maximum calibrated limit and greater than or equal to the minimum calibrated limit, then the calibration is considered successful.
• Air Flow control 3 circuit refers to the mode actuator
• Air Flow control 7 circuit refers to the recirculation actuator
• Temperature control 1 circuit refers to the left air temperature actuator
• Temperature control 2 circuit refers to the right air temperature actuator
• Temperature control 3 circuit refers to the auxiliary air temperature actuator
Diagnostic Aids
• Inspect the appropriate actuator door and actuator for the following conditions:
- A misaligned actuator--Refer to one of the following:
- Mode Actuator Replacement
- Air Temperature Actuator Assembly Replacement
- Air Temperature Actuator Replacement - Left Side
- Recirculation Actuator Replacement
- Broken or binding linkages or actuator door
- Obstruction that prevents the actuator door from operating within its full range of motion
- Missing seals to the actuator door
- Misaligned seals to the actuator door
• Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Install a scan tool.
Turn ON the ignition, with the engine OFF.
With the scan tool, command the appropriate actuator in both directions.
Observe the appropriate Actual parameter.
Does the scan tool indicate that the value of the appropriate Actual parameter changes from the minimum specified value to the maximum specified value?
0 Counts
255 Counts

P1574
Stop Lamp Switch Circuit
PCM
DTC P1574 in Cruise Control

DTC P1574 Stop Lamp Switch Circuit
This diagnostic test functions on the assumption that sudden decrease in a non-drive wheel speed must be caused by a brake application. Non-drive wheel speed and stop lamp switch status are supplied to the powertrain control module (PCM) through serial data from the electronic brake control module (EBCM). If there is a 2.5 mph or greater decrease of non-drive wheel speed in 0.4 seconds and a transition of the torque converter clutch (TCC) or extended travel contacts of the TCC brake switch without a transition of the stop lamp brake switch, DTC P1574 is set.
DTC P1574 indicates the stop lamp switch signal to the EBCM or the EBCMs ability to send the stop lamp switch signal to the PCM has failed. Refer to ABS/TCS DTCs for diagnosis of the stoplamp switch signal and the EBCM.
Connect the scan tool.
Turn ON the ignition, with the engine OFF.
Retrieve the DTCs from the electronic brake control module (EBCM).
Are any DTCs that begin with a "C" also set?
Go to Diagnostic Trouble Code (DTC) List - Vehicle in Vehicle DTC Information

Oct 24, 2016 | 2005 Cadillac Deville

2 Answers

A/c blower motor works if I pull power and plug back in until I cut engine off. Then I have to repeat process


Daryl, You may want to check the blower relay/ just switch with one of same type and try and if OK, problem could be the blower motor, wires/plug loose,damaged,burnt or a faulty blower motor resistor. Second link has some trouble shooting of a overheating wire problem, that is to be common in these trucks. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
DIY 2003 Silverado Blower Motor Resistor
Sparkys Answers Chevrolet Silverado Blower Does Not Work On Any Speed
03 Silverado heater fan problem ChevyTalk FREE Restoration and Repair Help...

Jul 19, 2016 | 2003 Chevrolet Silverado 1500

1 Answer

I havever a Pontiac Bonneville SSEI 2001, I want to replace the neutral safety switch but I can't find it. Is this where it should be?


Before you replace a part you don't need ! Are you familiar with how the starting system works on this vehicle . Did you test with a scan tool or even a voltmeter to see if the PCM is receiving voltage through the Park neutral safety switch . You can't find it because it is inside the transmission. An it is called Transmission Internal Mode Switch .
Moving the ignition switch to the START position sends a 12 V signal to the PCM Ignition Crank Sense. The PCM verifies that the transmission is in the PARK or NEUTRAL position. The PCM then grounds the control circuit of the START relay. When the START relay is energized it allows battery positive voltage to the starter solenoid S terminal.
Starter Solenoid Does Not Click
2
Turn the ignition switch to the START position.
Does the engine crank?
YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
NO - Go to Step 3

3
Is the security indicator flashing?
YES - Go to Diagnostic System Check - Theft Deterrent in Theft Deterrent
NO - Go to Step 4

4
Install a scan tool.
Turn ON the ignition, with the engine OFF.
With a scan tool, observe the Starter Relay Command parameter in the PCM data list.
Turn the ignition switch to the START position.
Does the scan tool display Yes?
YES - Go to Step 6
NO - Go to Step 5

5
Turn ON the ignition, with the engine OFF.
Verify that the transmission is in Park or Neutral.
With a scan tool, observe the IMS parameter in the Transmission data list.
Does the scan tool display Park or Neutral?
YES - Go to Step 12
NO - Go to Transmission Internal Mode Switch Logic in Automatic Transaxle - 4T65- E
6
Turn the ignition switch to the START position.
Do you hear the STARTER relay click?
YES - Go to Step 9
No - Go to Step 7

7
Turn OFF the ignition.
Disconnect the STARTER relay.
Turn ON the ignition, with the engine OFF.
Connect a test lamp between the battery positive voltage circuit of the STARTER relay coil and a good ground.
Does the test lamp illuminate?
YES - Go to Step 8
NO - Go to Step 20

8
Connect a test lamp between the battery positive voltage circuit of the STARTER relay coil and the control circuit of the STARTER relay.
Turn the ignition to the START position.
Does the test lamp illuminate?
YES - Go to Step 16
NO - Go to Step 14
9
Turn OFF the ignition.
Disconnect the STARTER relay.
Connect a test lamp between the battery positive voltage circuit of the STARTER relay switch and a good ground.
Does the test lamp illuminate?
YES - Go to Step 10
NO - Go to Step 21

10
Connect a 30 amp fused jumper between the battery positive voltage circuit of the STARTER relay switch and the starter solenoid crank voltage circuit.
Does the engine crank?
YES - Go to Step 16
NO - Go to Step 11

11
Does the fuse in the jumper open?
YES - Go to Step 22
NO - Go to Step 13

12
Turn OFF the ignition.
Disconnect the PCM harness connector.
Connect a test lamp between the crank request input circuit of the PCM and a good ground.
Turn the ignition to the START position.
Does the test lamp illuminate?
YES - Go to Step 19
NO - Go to Step 15

13
Test the starter solenoid crank voltage circuit for a high resistance or open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 27
NO - Go to Step 17
13
Test the starter solenoid crank voltage circuit for a high resistance or open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 27
Go to Step 17

14
Test the control circuit of the STARTER relay for an open or short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 27
NO - Go to Step 19

15
Test the crank voltage circuit of the PCM for a high resistance or open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 27
NO - Go to Step 18

16
Inspect for poor connections at the STARTER relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 27
NO - Go to Step 23

17
Inspect for poor connections at the starter solenoid. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 27
NO - Go to Step 24

18
Inspect for poor connections at the ignition switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 27
NO - Go to Step 25

19
Inspect for poor connections at the harness connector of the PCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 27
Go to Step 26

20
Repair an open or high resistance in the battery positive voltage circuit of the STARTER relay coil. Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 27
--

21
Repair the open or high resistance in the battery positive voltage circuit of the STARTER relay switch. Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 27
--

22
Repair the short to ground in the starter solenoid crank voltage circuit. Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 27
--

23
Replace the STARTER relay.
Did you complete the replacement?
Go to Step 27
--

24
Replace the Starter Motor. Refer to Starter Motor Replacement .
Did you complete the replacement?
Go to Step 27
--

25
Replace the ignition switch. Refer to Ignition and Start Switch Replacement in Instrument Panel Gauges and Console.
Did you complete the replacement?
Go to Step 27
--

26
Important:: Perform the set up procedures for the PCM. Refer to Powertrain Control Module Programming in Engine Controls - 3.8L.
Replace the PCM. Refer to Powertrain Control Module Replacement in Engine Controls - 3.8L.
Did you complete the replacement?
Go to Step 27
--

27
Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 2

Jun 30, 2016 | Pontiac Cars & Trucks

1 Answer

How does the twilight sentinel work


What make ,model an year vehicle ? This is for a Cadillac !
Twilight Sentinel
The twilight delay switch in the headlamp switch assembly is supplied a 5 volt reference from the instrument panel integration module (IPM). The IPM also provides ground to the twilight delay switch. The switch is a potentiometer in which the resistance varies as the switch is moved. The IPM receives an input voltage proportional to the resistance of the potentiometer through the twilight delay signal circuit. The IPM sends a class 2 message to the dash integration module (DIM) indicating the on/off status and delay length for the twilight sentinel. With the twilight sentinel switch in any position other than OFF, the DIM will turn the headlamps on or off according to the daytime/nighttime status sent by the IPM. The DIM uses the twilight delay signal in order to keep the headlamps and park lamps on after the ignition switch transitions from ON to OFF during nighttime conditions.
Now ,do you understand ?
Now

May 30, 2016 | Cars & Trucks

1 Answer

I want to take out the high beem fuse for a 2003 buick regal... I lost the car manual


Two fuses HDLP L fuse #36 15amp & HDLP R fuse #32 15amp ,located in the under hood fuse / relay box. One is for Left - low an high beams an the other is for right side low an high beams . What's wrong , no high beams ?
Headlamps Inoperative - High Beams

1

Did you perform the Lighting System Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - Lighting Systems

2

  1. Turn the ignition to the OFF position.
  2. Turn the headlamp switch to the HEAD position.
  3. Place the headlamp dimmer switch in the high beam position.
Are the high beam headlamps operating properly?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
yes Go to Step 3


Is only one high beam headlamp inoperative?
yes Go to Step 7
Go to Step 4

4

Place the headlamp dimmer switch in the flash to pass position.
Do the high beam headlamps operate in the flash to pass position?
Go to Step 13 yes
Go to Step 5 no

5

Place the headlamp dimmer switch in the high beam position.
Does the high beam indicator illuminate?
Go to Step 12
Go to Step 6

6

Test for a high resistance, an open or a short to battery positive voltage in the high beam signal circuit of the headlamp dimmer switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 17
Go to Step 13

7

  1. Disconnect the inoperative headlamp.
  2. Using a test lamp connected to ground, probe the battery positive voltage circuit of the inoperative high beam headlamp.
Does the test lamp illuminate?
Go to Step 8
Go to Step 9

8

Connect a test lamp between the headlamp high beam signal circuit and the battery positive voltage circuit of the inoperative high beam headlamp.
Does the test lamp illuminate?
Go to Step 11
Go to Step 10

9

Test for a high resistance or an open in the battery positive voltage circuit of the inoperative headlamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 17
Go to Step 12

10

Test for a high resistance or an open in the headlamp high beam signal circuit of the inoperative high beam headlamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 17
Go to Step 12

11

Inspect for poor connections at the harness connector of the inoperative headlamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 17
Go to Step 14

12

Inspect for poor connections at the harness connector of the fuse block - underhood. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 17
Go to Step 15

13

Inspect for poor connections at the harness connector of the headlamp dimmer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 17
Go to Step 16

14

Replace the inoperative headlamp. Refer to Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement .
Did you complete the repair?
Go to Step 17
--

15

Replace the fuse block - underhood. Refer to Underhood Electrical Center or Junction Block Replacement in Wiring Systems.
Did you complete the repair?
Go to Step 17
--

16

Replace the headlamp dimmer switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column.
Did you complete the repair?
Go to Step 17
--

17

Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 2

Jan 07, 2016 | Buick Cars & Trucks

1 Answer

Why is my windshield wipers running in the off position, it's like they are running in the intermittent position, but it's in the off position.


When the windshield wiper / washer switch is turned to the OFF position while the wiper motor is somewhere in mid-cycle, the wiper motor module will continue to operate the wiper motor until the wipers reach the park position. If the ignition is turned off while the wipers are in mid-cycle, the wipers will stop immediately where they are. The wipers will park the next time the ignition is cycled to the ON position.

Schematic Reference: Wiper/Washer Schematics


1

Did you review the Wiper/Washer System Description and Operation and perform the necessary inspections?
Go to Step 2
Go to Symptoms - Wiper/Washer Systems

2

  1. Turn the ignition ON.
  2. Turn the windshield wiper/washer switch OFF.
Are the windshield wipers always on?
Go to Step 3
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

3

Disconnect the windshield wiper/washer switch connector.
Are the windshield wipers always on?
Go to Step 4 if yes
Go to Step 7 if no

4

  1. Disconnect the windshield wiper motor connector.
  2. Test the windshield wiper switch signal 1 circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 5

5

Test the windshield wiper switch signal 2 circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 6

6

Test the windshield wiper motor high speed circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 9

7

Inspect for poor connections at the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 8

8

Replace the windshield wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement - On Vehicle in Steering Wheel and Column.
Is the repair complete?
Go to Step 11
--

9

Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 10

10

Replace the windshield wiper motor. Refer to Windshield Wiper Motor Replacement .
Is the repair complete?
Go to Step 11
--

11

Operate the system in order to verify the repair.
Did you correct the condition?
The Wiper / Washer System consists of the following components:
?€¢
Windshield wiper / washer switch


?€¢
Windshield wiper system module / motor


?€¢
Windshield washer fluid pump


?€¢
Windshield washer fluid level switch


?€¢
Instrument panel cluster (IPC)


?€¢
ACC 15-amp fuse


?€¢
WSW 30-amp fuse

Jan 04, 2016 | 2002 Pontiac Bonneville

1 Answer

2006 buick allure , automatic low beams do not come on when key starts car


Headlamps
You can use the headlamps two different ways.
?€¢
Place the headlamp switch in the HEAD position for normal operations


?€¢
Place the headlamp switch in the OFF position for automatic lamp control (ALC) operation. During ALC the low beam headlamps are ON for daytime running lamp (DRL) operation in daylight conditions at reduced intensity or low beam headlamps ON at full intensity with exterior park lamps ON in low light conditions. The ambient light sensor is a light-sensitive transistor that varies its voltage signal to the body control module (BCM) in response to changes in the outside (ambient) light level. When the BCM receives this signal the BCM turns ON just the low beam headlamps at reduced intensity for the daytime running lamp (DRL) operation. A resistor wire is used (CKT312) to reduced the voltage which reduces the light intensity for the DRL's function. The ambient light sensor can also turn ON the low beam headlamps and the exterior lamps for automatic lamp control (ALC). Any function or condition that turns ON the headlamps will cancel the DRL operation (this means no reduced voltage to the low beam lights). Thirty seconds after you start the engine with the headlamp switch in the OFF position, the DRL will perform one of two actions:
?€¢
Illuminate the low beam headlamps at reduced intensity in daylight conditions


?€¢
Illuminate the low beam headlamps and exterior park lamps for low light conditions

The DRL operates when the ignition switch is in the RUN position, the parking brake is not set and the transmission is not in the PARK position When these conditions are met and the DRL ambient light sensor indicates daylight conditions the DRL will illuminate
Should have BCM scanned for DTC'S - diagnostic trouble codes , could have DTC'S stored in memory !
DTC B2645 Ambient Light Circuit
The body control module (BCM) monitors the ambient light sensor signal circuit in order to determine if the daytime running lights (DRL) or the auto headlights (ALC) should be turned ON in the AUTO mode. When the BCM senses the ambient light sensor voltage is between 1.75-4.9 volts, either the DRL will be commanded ON or the ALC will be commanded ON.

  1. Turn ON the headlamps.
  2. Ensure that the headlamp dimmer switch is in the LOW position.
Do both low beam headlamps illuminate?
Is only one low beam headlamp inoperative? YES / NO
IF no
  1. Disconnect the lamps switch assembly.
  2. Install a jumper between the headlamp switch headlamps ON signal circuit and ground.
Do the low beam headlamps illuminate?
Do the low beam headlamps illuminate?
Go to Step 18
Go to Step 7

7

  1. Remove the headlamp module.
  2. Install a fused jumper between battery positive voltage and the switched low beam voltage supply circuit.
Do the low beam headlamps illuminate?
Go to Step 8
Go to Step 11

8

Test for the following in the headlamp module control circuit:
?€¢
An open


?€¢
A poor connection


?€¢
A short to ground

Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 10

9

Inspect for a poor connection at the harness connector of the lamp switch assembly. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 14

10

Inspect for a poor connection at the headlamp module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 15

11

Test for a short to ground in the low beam voltage supply circuit. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 12

12

Inspect for a poor connection at the harness connector of the underhood fuse block. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 17

13

Inspect the inoperative low beam headlamp voltage supply and ground circuit for a high resistance, a short to ground, or an open. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 16

14

Replace the lamp switch assembly. Refer to Headlamp Switch Replacement .
Did you complete the replacement?
Go to Step 19
--

15

Replace the headlamp module. Refer to Relay Replacement in Wiring Systems.
Did you complete the replacement?
Go to Step 19
--

16

Replace the inoperative low beam headlamp. Refer to Headlamp Assembly or Headlamp Bulb Replacement .
Did you complete the replacement?
Go to Step 19
--

17

Replace the underhood fuse block. Refer to Testing for Intermittent Conditions and Poor Connections .
Did you complete the replacement?
Go to Step 19
--

18

Replace the BCM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 19
--

19

Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 3

IF

Sep 30, 2015 | Buick Cars & Trucks

1 Answer

Why won't the headlamps turn off?


Maybe a stuck relay or bad headlamp switch ! You may have a DTC - diagnostic trouble code stored in the BCM - body control module ! These codes do not turn on the check engine light ! There could be a yellow wrench symbol on the instrument cluster or a service vehicle soon light or a message in the message center if yours has one ! You would need a professional grade scan tool to check for codes in the BCM !
DTC B2578 Headlamp Relay Control Circuit High.
DTC B2577 Headlamp Control Circuit Low.
DTC B2575 Headlamp Control Circuit !
If no codes were found you would need to do some tests ,such as these .
If no codes Headlamp Low or High Beams Always On test

2

  1. Ensure that the ambient light sensor is receiving enough light to simulate daylight conditions.
  2. Place the headlamp switch in the OFF position.
  3. Turn ON the ignition, with the engine OFF.
  4. Turn OFF the ignition.
Do the headlamps operate normally?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Go to Step 3

3

Are the headlamps ON with the ignition key ON, and then turn OFF when the ignition key is placed in the OFF position?
Go to Step 4 yes
Go to Step 5 no

4

Test the headlamp relay control circuit of the body control module (BCM) for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 15 yes
Go to Step 10 no

5

Disconnect the headlamp relay. Refer to Relay Replacement in Wiring Systems.
Do the headlamps turn OFF?
Go to Step 8 yes
Go to Step 6 no

6

Disconnect the headlamp switch connector.
Do the headlamps turn OFF?
Go to Step 7 yes
Go to Step 11 no

7

Test the headlamp relay output circuit of the headlamp relay for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 15
Go to Step 9

8

Inspect for poor connections at the harness connector of the headlamp relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems?
Did you find and correct the condition?
Go to Step 15
Go to Step 12

9

Inspect for poor connections at the harness connector of the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 15
Go to Step 13

10

Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 15
Go to Step 14
This mite be a problem you would want to leave to a ASE certified Technician who has the tools an knowledge ! Probably could be fix in less then an hour !

Jul 16, 2015 | 2005 Chevrolet Equinox

2 Answers

My a/c was starting to blow warm and as I drove 5 to 10 miles it got cold like it should. This morning it just stayed warm and won't get cold any ideas


you may have a leak. open up hood and have motor running and see if the compressor is turning the whole thing that is if not get recharged if so its a sensor tak it in it should cost about 200 dol to repair

Aug 15, 2010 | 2008 Dodge Ram 3500

1 Answer

INTERMITTENT STARTING


Check the connections at the battery and wire brush clean if necessary.

Bad battery connections can cause intermittent starting conditions.

Aug 11, 2010 | 1996 Subaru Legacy

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