Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the instrument cluster	Circuitry. Standard corporate protocol (SCP) communication network. Instrument cluster.	Go to PINPOINT TEST G: NO COMMUNICATION WITH THE INSTRUMENT CLUSTER .
The message center is not operating correctly	Instrument cluster. Message center switch. Circuitry.	Go To PINPOINT TEST AF: THE MESSAGE CENTER IS NOT OPERATING CORRECTLY .
The compass is inoperative	Compass sensor module. Instrument cluster. Circuitry.	Go To PINPOINT TEST AG: THE COMPASS IS INOPERATIVE .
The compass is inaccurate	Zone setting. Calibration. Vehicle magnetization. Compass sensor module. Circuitry.	Go To PINPOINT TEST AH: THE COMPASS IS INACCURATE .
The message center display is blank	Instrument cluster.	INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER .
The charging system warning is incorrect	Generator. Powertrain control module (PCM). Instrument cluster. Circuitry.	Go To PINPOINT TEST P: THE CHARGING SYSTEM WARNING INDICATOR IS NEVER ON .
The message center switch does not operate correctly	Message center switch. Instrument cluster. Circuitry.	Go To PINPOINT TEST AL: THE MESSAGE CENTER SWITCH DOES NOT OPERATE CORRECTLY .
The low washer fluid level display indicator does not operate correctly	Washer fluid level switch. Instrument cluster. Circuitry.	Go To PINPOINT TEST AL: THE MESSAGE CENTER SWITCH DOES NOT OPERATE CORRECTLY .
The door ajar display indicator does not operate correctly	Door ajar switch (es). Vehicle security module. Instrument cluster. Circuitry.	Go To PINPOINT TEST AK: THE DOOR AJAR DISPLAY INDICATOR DOES NOT OPERATE CORRECTLY .
The transmission overheated display indicator does not operate correctly	Instrument cluster.	CARRY-OUT the INSTRUMENT CLUSTER SELF-DIAGNOSTIC MODE to illuminate all segments of the message display. If the message center display is illuminated, REFER to the INTRODUCTION - CNG, FLEX-FUEL & GASOLINE article for further diagnoses of transmission symptoms. If the message center display is inoperative. INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER .
The check transmission display indicator does not operate correctly	Instrument cluster.	CARRY-OUT the INSTRUMENT CLUSTER SELF-DIAGNOSTIC MODE to illuminate all segments of the message display. If the message center display is illuminated, REFER to the INTRODUCTION - CNG, FLEX-FUEL & GASOLINE article for further diagnoses of transmission symptoms. If the message center display is inoperative. INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER .
The low fuel level display indicator does not operate correctly	Fuel pump module. Instrument cluster. Circuitry.	Go To PINPOINT TEST AL: THE MESSAGE CENTER SWITCH DOES NOT OPERATE CORRECTLY .
The distance to empty, average fuel economy indicator does not operate correctly	Instrument cluster. Powertrain control module (PCM). Circuitry.	CHECK the operation of the speedometer, the fuel gauge and the odometer. If the fuel gauge is inoperative, go to PINPOINT TEST H: INCORRECT FUEL GAUGE INDICATION . If the speedometer/odometer is inoperative. Go To PINPOINT TEST J: THE SPEEDOMETER IS INOPERATIVE .
The low brake fluid level display indicator does not operate correctly	Brake fluid level switch. Instrument cluster. Circuitry.	Go To PINPOINT TEST AM: THE LOW BRAKE FLUID LEVEL DISPLAY INDICATOR DOES NOT OPERATE CORRECTLY .
The low oil pressure display indicator does not operate correctly	Oil pressure switch. Instrument cluster. Circuitry.	Go To PINPOINT TEST AN: THE LOW OIL PRESSURE DISPLAY INDICATOR DOES NOT OPERATE CORRECTLY .
The check engine temperature indicator does not operate correctly	Engine temperature sensor. Powertrain control module (PCM). Instrument cluster. Circuitry.	Go To PINPOINT TEST AO: THE CHECK ENGINE TEMPERATURE INDICATOR DOES NOT OPERATE CORRECTLY .
The backup aid indicator does not operate correctly	Parking aid module. Instrument cluster. Circuitry.	Go To PINPOINT TEST AP: THE PARKING AID INDICATOR DOES NOT OPERATE CORRECTLY .