Question about 2000 Dodge Caravan

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Check engine light on

I fixed code problem but will not erase from computer. high-low relay was the problem put in a new one. Good ground and power coming to it

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  • kim44scott44 Jan 21, 2009

    i did that it did not work

  • kim44scott44 Jan 21, 2009

    thank you I did that to do you think if I have the computer flashed will that work?

  • kim44scott44 Jan 21, 2009

    Thank you I will try having it flashed and see if that works. I will let you know.

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  • Master
  • 1,990 Answers

Locate your ECM Fuse in the Fuse Panel and remove it for 10 Min. It should reset your Computer Codes.

Posted on Jan 21, 2009

  • 1 more comment 
  • Travis Humphries
    Travis Humphries Jan 21, 2009

    Ok, Disconnect your Battery for 2 Min. and see what you have got.

  • Travis Humphries
    Travis Humphries Jan 21, 2009

    It Should But, Those other Fixes Should have worked Also.

  • Travis Humphries
    Travis Humphries Jan 21, 2009

    No Problem! I should be here.

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Chrysler town&country after overheating getting p1491 code how to resolve it ?


Start your diagnosis at the fan relay module which is located below the battery box on the left frame rail. The Grey wire is hot at all times and fused by fuse #24 in the power distribution center. The Black wire is the ground. The Light Green/Dark Blue wire goes to the Powertrain Control Module which provides ground to the fan relay when cooling fan operation is needed. The Dark Green wire provides switched power to the fan motors.
Using a digital test meter, check for 12 volts on the Grey wire. Check for good ground at the Black wire. If you have good results with those two tests, ground the Light Green/Dark Blue wire at the relay. The fans should start up and run at high speed. Now is a good time to check the current draw on the fans-they should not draw more than 15 amps. If the fans do not run, check the operation of the fan motors by jumpering the Grey wire to the Dark Green wire. If the fans work, the relay is bad.
When replacing the relay, always clean the mounting surface and apply new thermo grease.
To check operation of the PCM, disconnect the connector to the engine coolant temperature sensor and check the Light Green/Dark Blue wire to see if the PCM is switching the ground to the relay. If it does not, check that wire at the PCM connector. If it switches there, you have an open between the PCM and the relay.
Common problems with this vehicle: Poor ground at for the relay, bad relay, bad ground for the engine coolant temp sensor.

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I need a diagram for a 2001 VW Cabrio relay. I thought number 6 was for the blinkers/hazards but it's not and its empty. 413 is in there and blinkers and hazards just stopped one day. I don't know if I...


A2Resource
a great vw resource site
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Relays:
Num.Relay Arrangement and Pinout (with control number stamped on relay)
1A/C Relay (13 or 140)
1A/C Switch
2Radiator Cooling Fan
3Fan Switch High Speed
4Battery, Fuse 23
5A/C Clutch (via pressure and temperature switches)
6Main Fusebox Battery Power, Fuse 19
7Main Fusebox Ground
8Fresh Air Fan
2Rear Wiper Relay (72)
1Main Fusebox Ground
2Main Fusebox Run Power, Fuse 4
3Rear Wiper Motor
4Wipe/Wash Signal from Switch
3Digifant Control Unit (30 or 32), Motronic OBD1 Control Unit (109)
1Main Fusebox Ground
2Tachometer
3Main Fusebox Start/Run Power
4Main Fusebox Battery Power
5To ECU (relay ) (1990 G60, ABA/VR6 OBD1 only)
6To ECU and Engine Electronics
4Load Reduction Relay (18)
1From Ignition Switch Run Power
2To Main Fuse Box Run Power
3Main Fusebox Battery Power
4Main Fusebox Ground
5Low Coolant Level Control Unit (43)
1Main Fusebox Start/Run Power
2Low Coolant Level Sensor
3Coolant Temperature Sensor, Gauge
4Main Fusebox Ground
6Flashers (21)
1Main Fusebox Ground
2Flasher Output
3Flasher Input/Power
4X/6 (Trailer Light)
7Headlight Washer (33)
1Main Fusebox Ground (B/4 to C/3 to Ground)
2Headlight Washer Pump
3Headlight Switch Pin 56 (headlights) (B3 to D4 to light power)
4Main Fusebox Battery Power (B/5 to Y/2)
5Windshield Washer Pump (B/1 to B/2 to washer pump power)
8Wash/Wipe/Intermittent Relay (19 for standard relay, 99 for variable intermittent module)
1Main Fusebox Ground
2Intermittent Switch
3Main Fusebox Run Power, Fuse 5
4Park/Low Signal (ground when parked, positive when on low speed)
5Wiper Motor Low Speed Output
6Wash Switch (positive for front wash)
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1Main Fusebox Ground
2Seat Belt Switch
3Door Switch
4Seatbelt Light
5"Key In" Power from Ignition Switch
6Main Fusebox Start/Run Power
7Automatic Shoulder Belt Controller
9Radio/Lights Buzzer (36)
1Main Fusebox Ground (not used)
2A1/4 (Left Parking Lights)
3Vehicle Speed Sensor
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7A2/2 (Right Parking Lights)
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1Parking Light Power
2Headlight Switch Headlight Power (Low/High)
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5Main Fusebox Ground
6Low Beam Headlight Power
11Horn (53)
1Main Fusebox Start/Run Power
2To Horns
3Main Fusebox Ground
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12Fuel Pump Relay (80, 67 or 167)
1Main Fusebox Starter Power (not used)
2Main Fusebox Start/Run Power
3To ECU (Fuel Pump )
4To Fuse 18, Fuel Pump, Oxygen Sensor Heater
5G2/6 (not used)
6Main Fusebox Battery Power From 30B
7G2/7, T1 (not used)
8Main Fusebox Ground (not used)
9M/4, U1/8, G2/5 (not used)
12Glow Plug Relay (102 or 104)
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2Main Fusebox Start/Run Power
3Engine Temp Sender (preheat)
4Glow Plugs (Z1)To Fuse 18 (not used)
5G2/6 (not used)
6Main Fusebox Battery Power From 30B
7G2/7, T1 (not used)
8Main Fusebox Ground
9Water Separator, Glow Plug Light

remember to check out the website below for more help
http://www.xjamiex.com/mk2resource/electrical/CE2.html

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1 Answer

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