Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the instrument cluster	Fuse(s) Circuitry Instrument cluster	GO to PINPOINT TEST A .
Incorrect fuel gauge indication	Circuitry Fuel pump module Instrument cluster	GO to PINPOINT TEST B .
Incorrect tachometer indication	Circuitry Powertrain control module (PCM) Instrument cluster	GO to PINPOINT TEST C .
Incorrect temperature gauge indication	Circuitry Instrument cluster Powertrain control module (PCM)	GO to PINPOINT TEST D .
The low fuel warning indicator is never/always on	Circuitry Fuel pump module Instrument cluster	GO to PINPOINT TEST E .
The speedometer/odometer is inoperative	Powertrain control module (PCM) Instrument cluster	GO to PINPOINT TEST F .
The safety belt warning indicator is inoperative (chime is operative)/does not operate correctly	Circuitry Restraint control module (RCM) Instrument cluster	GO to PINPOINT TEST G .
The door ajar warning indicator is inoperative (chime is operative)/does not operate correctly	Circuitry Generic electronic module (GEM) Instrument cluster	GO to PINPOINT TEST H .
The air bag warning indicator is never/always on	Circuitry Restraint control module (RCM) Instrument cluster	GO to PINPOINT TEST I .
The anti-lock brake system (ABS) warning indicator is never/always on	Circuitry Anti-lock brake system (ABS) module Instrument cluster	GO to PINPOINT TEST J .
The brake warning indicator is never on	Circuitry. Brake fluid level switch. Parking brake switch Instrument cluster.	GO to PINPOINT TEST K .
The brake warning indicator is always on	Circuitry. Low brake fluid level. Brake fluid level switch. Parking brake switch Instrument cluster.	GO to PINPOINT TEST Z .
The low oil pressure warning indicator is never/always on	Circuitry Engine oil pressure switch Instrument cluster	GO to PINPOINT TEST L .
The check fuel cap indicator is never/always on	Powertrain control module (PCM) Instrument cluster	GO to PINPOINT TEST M .
The charging system warning indicator is never/always on	Circuitry Generator Powertrain control module (PCM) Instrument cluster	GO to PINPOINT TEST N .
The malfunction indicator lamp (MIL) is never on	Circuitry Powertrain control module (PCM) Instrument cluster	GO to PINPOINT TEST O .
The malfunction indicator lamp (MIL) is always on	Circuitry Powertrain control module (PCM) Instrument cluster	REFER to the INTRODUCTION - GASOLINE to continue diagnosis of the MIL.
The LH turn indicator is never/always on	Circuitry Instrument cluster	GO to PINPOINT TEST P .
The RH turn indicator is never/always on	Circuitry Instrument cluster	GO to PINPOINT TEST Q .
The high beam indicator is never on	Circuitry Instrument cluster	GO to PINPOINT TEST R .
The shift up indicator is never/always on	Powertrain control module (PCM) Instrument cluster	GO to PINPOINT TEST S .
The traction control indicator is never/always on	Circuitry Anti-lock brake system (ABS) module Instrument cluster	GO to PINPOINT TEST T .
The speed control indicator is never/always on	Circuitry Speed control module Instrument cluster	GO to PINPOINT TEST U .
The O/D OFF indicator is never/always on	Circuitry Powertrain control module (PCM) Instrument cluster	GO to PINPOINT TEST V .
The passive anti-theft system (PATS) indicator is never/always on	Circuitry Powertrain control module (PCM) Instrument cluster	GO to PINPOINT TEST W .
The integrated circuit display is inoperative	Instrument cluster Powertrain control module (PCM)	GO to PINPOINT TEST X .
The instrument cluster is inoperative	Fuse(s) Circuitry Instrument cluster	GO to PINPOINT TEST Y .