Question about 2006 Chrysler Pacifica Limited

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How to replace ignition switch, pacifica 2006

No voltage to relay in crank position leads me to ignition switch. I know what the switch looks like but don't know where to locate.

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

  • 6982 Answers

SOURCE: can a cooler fan relay be located and replaced by a non mechanic

Dont know where your relay is but generally relays are grouped together in a box under the hood or on a rail on the firewall. They are "plug in" units that can be easily repalced.The ones housed in a box are usually easier to service because there is a description usually inside the cover. Many times the relays are the same# serving different purposes. If thats the case, use a good one and plug it into different slots 'till the fan comes on (make sure engine is hot enough for this to happen) Be aware that a bad sensor will give you a similar problem (it won't tell the relay to go on)

Posted on Feb 20, 2009

  • 2 Answers

SOURCE: sensor light on, checked at auto store told ,cooler relay fan

The cooler/ radiator fan driver relay is located in the black box just behind your drivers side headlight assy under the hood. It is your power distribution control. You can follow the printed diagram on the cover to locate the relay you are in need of replacing.

Posted on Feb 28, 2009

  • 47 Answers

SOURCE: positive ventilation crank case valve location

I have one of these cars too, also 3.5. I purchased with 34K and has used a quart of oil every 1000 miles since then. It has no leaks or smoke or any other signs of oil consumption. So much research, nobody knows why these engines do this, some have gone as far as contacting Chrysler just for them to say, " that's normal". But here is the diagram for the PCV:

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Posted on Mar 13, 2010

  • 4977 Answers

SOURCE: 2006 chrysler pacifica air blinder

the blower relay switch controls the blower motor,this sounds more like an air blend switch on the heater control head on the dash,not making the switch over in that switch.it could be the air blend door motor on the heater duct under the dash on the passenger side.this can be checked with a scan tool that has the capability to communicate with the bcm computer on this car.

Posted on Mar 17, 2011

  • 1 Answer

SOURCE: crankshaft position sensor location on 2004 chrystler pacifica

can u please tell me where on my 2004 chrysler pacifica is the crankshaft sensor located?

Posted on Apr 25, 2011

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1 Answer

1998 chev 1500, 5.0, automatic trany. Why do I have to activate the starter relay by hand to get engine to start?


Have you used a different relay ? Look on the bottom of the relay ,see pin 86 ? Test for B+ voltage where it plugs into the relay / fuse box while someone turns the key to start ! Is there B+ voltage . Before replacing the ignition switch and the neutral safty switch did you test for battery voltage coming from the ignition switch ? Pin 85 goes to ground , you can check this with a ohm meter . Do you know how to use a DVOM - digital volt ohm meter ? In the start position voltage from the ignition switch goes through 10 amp crank fuse . Fuse #8 located in the I/P fuse box .

Apr 16, 2017 | Cars & Trucks

1 Answer

I got a 09 pontiac g6 wont start.there is no crank no clicks when i turn the ignition on but the engine light is on


You have know idea how the starting system works , an with the engine light on your best bet would be to have it towed to a qualified repair shop .
When the ignition switch is turned to the Start position, the body control module (BCM) receives battery voltage on the ignition 1 voltage circuit, and less than 5 volts on the off/run/crank voltage circuit. The BCM supplies voltage to energize the RUN/CRANK Relay 32. The BCM sends a high speed GMLAN serial data message to the engine control module (ECM) that the key is in the start position. The ECM receives the message from the BCM, and also receives a serial data message from the transmission control module (TCM) containing the shift lever position. If the shift lever is in Park or Neutral when ignition switch is turned to Start, the ECM supplies voltage to the START Relay 31. The START relay supplies voltage to the S terminal of the starter solenoid, through the 30 A STRTR Fuse 26, in order to crank the engine.

Apr 08, 2017 | Pontiac Cars & Trucks

1 Answer

2002 chevy trailblazer and it will not crank or start and the key has gotten stuck in the ignition. I also got a jumpstart and it still didn't start. What is wrong, Please?


Could be a number of thing's , can you do automotive electrical testing ? Do you know if starting is PCM / ECM controlled or BCM controlled ? Do you know what these are ? BCM - body control module , PCM/ECM - engine computer !
Moving the ignition switch to the START position sends a 12-volt signal to the engine control module (ECM)/powertrain control module (PCM) Crank Request circuit. The ECM/PCM verifies that the transmission is in the PARK or NEUTRAL position. With the transmission in Park, voltage flows through the Park/Neutral position switch and feeds the starter relay coil. The PCM then grounds the control circuit of the starter relay. When the starter relay is energized it allows battery positive voltage to the starter solenoid S terminal. On some vehicles the starter will continue to crank the engine with the key released until it starts or the crank command has timed out to prevent excessive heat build up in the starter circuitry or the ECM/PCM receives an engine run flag.
Circuit Description (BCM Controlled)
Moving the ignition to the START position signals the body control module (BCM) that engine crank has been requested. The BCM verifies that theft is not active and sends a serial data message to the powertrain control module (PCM) requesting engine start. The BCM also energizes the RUN/CRANK RELAY. When the RUN/CRANK RELAY switch side closes, and the vehicle is in Park or Neutral or with the clutch is fully depressed, if equipped, supplies voltage to the starter relay coil. The PCM verifies the transmission is in Park or Neutral and the clutch is fully depressed, if equipped. The PCM will then ground the control circuit of the starter relay, closing the switch supplying voltage to the starter solenoid. On some vehicles the starter will continue to crank the engine with the key released until it starts of the crank command has timed out to prevent excessive heat build up in the starter circuitry or the PCM receives an engine run flag.
Do you know what a park neutral safety switch is ? What do you mean key stuck in ignition ? Can't turn the key to off position , or you can an the key will not come out ?
Your best bet , take it to a qualified repair shop .

Apr 04, 2017 | 2002 Chevrolet TrailBlazer

1 Answer

My 2006 Chevrolet Uplander 3.5 has no crank, no start, no lights on dash board only engine lights, no radio what do I need to do?


Do you know how to do automotive electrical testing , with a volt meter . Check out videos on youtube basic automotive electrical testing . Do you have a scan tool ? That would be a good first step . Do you have any idea how many elctronic control modules are on your vehicle ? Do you know what a serial data communication network is . C.A.N How to Diagnose Controller Area Network CAN When you turn the key to start do you know what happens ?

Circuit Description (Key Start)
For ignition switch power modes refer to Body Control System Description and Operation . When the ignition switch is placed in the Start position a discrete signal is supplied to the body control module (BCM) notifying it that the ignition is in the Start position. The BCM then sends a message to the powertrain control module (PCM)/engine control module (ECM) notifying it that CRANK has been requested. At the same time the BCM is supplying 12 volts for the IGN 1 relay closing it and supplying battery positive voltage for the crank relay coil. The PCM/ECM verifies that the transmission is in Park or Neutral. If it is, the PCM/ECM grounds the control circuit of the crank relay. When this occurs battery positive voltage is supplied through the switch side of the crank relay to the S terminal of the starter solenoid.

What you need to do is have it towed to the dealer !

Mar 07, 2017 | Chevrolet Cars & Trucks

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

Where is the safety switch for a 2006 chevy malibu


Safety switch ? For what ? Park neutral safety switch ,is this what you mean ? Your vehicle not starting ? There is a lot more involved then just that switch.
Circuit Description
For ignition switch power modes refer to Body Control System Description and Operation. Once the ignition is placed in the Run/Crank position, the control circuit of the Run/Crank relay is grounded by the body control module (BCM). With the Run/Crank relay switch closed, battery positive voltage flows through it and on to the park/neutral position (PNP) switch. With the PNP switch in either the Park or Neutral position, battery positive voltage will flow to the starter relay coil supply voltage input terminal of the powertrain control module and the coil side of the starter relay. Placing the ignition in the START position sends a message to the engine control module (ECM)/powertrain control module (PCM) requesting engine start. If the ECM/PCM has determined that the transmission is in Park or Neutral and theft is not active, it will ground the control circuit of the starter relay. Battery positive voltage will then flow through the switch side of the starter relay to the S terminal of the starter solenoid, cranking the engine. For remote vehicle start (RVS) information, refer to Keyless Entry System Description and Operation.

May 25, 2016 | Cars & Trucks

1 Answer

04 crysler pacifica won't start, good battery, clicking in fuse box, was working days ago. Will replacing fuss solve issues? Thanks


The thing to do is do some electrical tests at the starter motor relay in the under hood fuse / relay box, do you know what a relay is ? It's a electrical switch , using a little current to control a larger current ! The clicking you hear in the fuse box is a relay more then likely ! You can check for B+ (voltage) at the relay . The starter relay position will be marked on the lid to the fuse/relay box . When you find it pull it out an look on the bottom , you will see some numbers ,30,87,85an 86 . 30 an 87 are the load (starter) side .One being B+ an the other going to the starter . you could take a jumper wire an jump 30 to 87 an the starter would crank over if the starter is good .an if wiring going to the starter is good . 85 an 86 are the control side .85 comes from the ignition switch ,86 goes to the PCM - engine computer . I will post a youtube video on the subject. VEHICLE RELAYS Operation Diagnosis

Sep 20, 2015 | Cars & Trucks

1 Answer

If we replaces the feul pump on my 2002 prizm and it still won't run what else can it be?


Did you check the EFI relay an circuit opening relay ? these relays power the fuel pump !
The circuit opening relay provides ignition positive voltage to the fuel pump. The circuit opening relay is controlled by the powertrain control module (PCM) and receives ignition positive voltage from the EFI relay. The PCM monitors the crank signal circuit, terminal C3-11, for voltage when the ignition switch is in the START (engine cranking) position. When the crank signal circuit indicates the engine is cranking the PCM energizes the circuit opening relay. The PCM also energizes the circuit opening relay whenever reference pulses from the crankcase position (CKP) sensor circuit are detected. If the crank signal circuit does NOT indicate the engine is cranking the PCM will energize the circuit opening relay based only upon reference pulses.

Jun 08, 2015 | Cars & Trucks

1 Answer

Trailblazer will not crank


Have you checked the alternator or the starter?

Apr 09, 2012 | 2006 Chevrolet TrailBlazer LS

2 Answers

I have a 2003 chevy silverado 2500 with the 8.1 liter.. I will no longer crank when the key is turned. I can only get it to crank and start by jumping the starter relay... I swaped the realy, but that did...


Your security system should only affect the fuel shutoff so I am woundering if you have a ignition switch problem.With key in the start position are you getting voltage to the relay to close relay and that would supply the voltage to the starter.

Feb 14, 2010 | 2003 Chevrolet Silverado 2500HD

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