System Tests: Notes

WARNING: This page is about a different car, the 2002 Dodge Grand Caravan, 2002 Dodge Caravan, 2002 Chrysler Voyager, and 2002 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The following procedures were written for use with a DRBIII® scan tool. Other scan tools can be used, but may have limited functions.

Diagnose and repair by symptom. See SYMPTOM TESTS .

SYMPTOM TESTS

Component	Symptom
Instrument Cluster	Instrument Cluster Inoperative - No Response
Speedometer	No Pointer Movement (Internal Cluster Failure)
.....	No Pointer Movement (No Speed PCI Bus Message Or Zero MPH PCI Bus Message)
.....	Erratic Pointer Movement (Erratic Message From Another Module)
.....	Erratic Pointer Movement (Instrument Cluster Failure)
.....	Speedometer Inaccurate (Speedometer Out Of Calibration)
.....	Speedometer Inaccurate (Wrong Speedometer Pinion Size For Tire Size)
.....	Speedometer Inaccurate (Bad Speed Sensor)
Tachometer	No Pointer Movement (Internal Cluster Failure)
.....	No Pointer Movement ("NO RPM" PCI BUS Message Or "ZERO RPM" PCI BUS Message From PCM
.....	Erratic Pointer Movement (Bad PCI Bus Message From PCM)
.....	Erratic Pointer Movement (Instrument Cluster Failure)
.....	Tachometer Inaccurate
Fuel Gauge	No Pointer Movement (Internal Cluster Failure)
.....	No Pointer Movement (No PCI Bus Message Or Empty PCI Bus Message From BCM)
.....	Erratic Pointer Movement (Bad PCI Bus Message From BCM)
.....	Erratic Pointer Movement (Internal Cluster Failure)
.....	Fuel Gauge Inaccurate (Fuel Gauge Out Of Calibration)
.....	Fuel Gauge Inaccurate (Fuel Level Sending Unit Is Out Of Calibration)
Temperature Gauge	No Pointer Movement (Internal Cluster Failure)
.....	No Pointer Movement (No PCI Bus Temperature Or Cold PCI Bus Message From BCM)
.....	Erratic Pointer Movement (Bad PCI Bus Message From PCM)
.....	Erratic Pointer Movement (Internal Cluster Failure)
.....	Temperature Gauge Inaccurate (Temperature Gauge Out Of Calibration)
.....	Temperature Gauge Inaccurate (Coolant Sensor Out Of Calibration)
Odometer	No Display (No PCI Odometer Bus Message From BCM)
.....	Erratic Display (Internal Cluster Failure)
.....	Erratic Display (Bad PCI Bus Message From BCM)
.....	Odometer Won't Go Into Trip Mode
.....	Trip Odometer Won't Reset
Transmission Gear Indicator (Electronic Display)	No Display (Internal Cluster Failure)
.....	Erratic Display (Internal Cluster Failure)
.....	Erratic Display (Bad PCI Bus Message From TCM)
.....	All Segments Are On (No PCI Bus Message From TCM)
Transmission Gear Indicator (Mechanical Display)	Indicator Does Not Show Proper Gear Or No Indication (Misadjusted)
.....	Indicator Does Not Follow Shift Lever (Not Attached)
.....	Indicator Does Not Travel Fully (Cable Dislodged From It's Path On Indicator Base)
.....	Indicator Does Not Travel Fully (Incorrect Attachment Of Cable To Shift Lever Pin)
Warning Lights	Brake Warning Light Always On Or Inoperative
.....	Low Oil Pressure Warning Light Always On Or Inoperative
.....	Temperature Warning Light Inoperative