E: Charge Indication Reads Inaccurately

Pinpoint Test E - Charge Indication Reads Inaccurately

E1 - Check For Circuit 88 (BK/W) Short To Battery

- Engine OFF.
- Ignition switch in OFF position.

Is charging system indicator on?

YES REFER to Starting and Charging. SERVICE as necessary.
NO GO to E2.

E2 - Check Indicator Lamp Prove-Out

- Engine OFF.
- Ignition switch in RUN position.

Is charging system indicator on?

YES GO to E3.
NO GO to E4.

E3 - Check Indicator Lamp State

- Ignition switch in RUN position.
- Engine running.

Is charging system indicator on?

YES GO to E6.
NO Lamp test complete and operational.

E4 - Inoperative Indicator Lamp

- Engine OFF.
- Ignition switch in RUN position.






- Disconnect regulator connector and ground "I" terminal.

Is charging system indicator on?

YES REFER to Starting and Charging. SERVICE as necessary.
NO GO to E5.

E5 - Check Circuit 904 (LG/R) For Open

- Turn ignition switch to the OFF position.
- Remove instrument cluster as outlined.
- Using an ohmmeter connected to a known good ground, connect second lead to connector pin C1-9 circuit 904 (LG/R).
- Measure resistance.

Is resistance 5 ohms or less?

YES GO to E6.
NO SERVICE circuit 904 (LG/R) for open circuit. RESTORE vehicle. RETEST system.

E6 - Check Circuit 904 (LG/R) For Short

- Disconnect instrument cluster connectors.
- Disconnect voltage regulator connector.
- Using an ohmmeter connected to a known good ground, connect second lead to connector pin C1-9, circuit 904 (LG/R).
- Measure resistance.

Is resistance 5 ohms or less?

YES SERVICE circuit 904 (LG/R) for short circuit. RESTORE vehicle. RETEST system.
NO GO to E7.

E7 - Check Circuit 88 (BK/W) For Voltage

- Turn ignition switch to the RUN position.
- Using a voltmeter connected to a known good ground, connect other end to connector pin C1-7, circuit 88 (BK/W).

Is B+ present?

YES GO to E8.
NO SERVICE circuit 88 (BK/W) for open circuit. RESTORE vehicle. RETEST system.

E8 - Check Charge Indicator Lamp

- Remove charge indicator lamp bulb.
- Using an ohmmeter, check continuity of bulb.

Is bulb continuity OK?

YES REPLACE instrument cluster printed circuit. RESTORE vehicle. RETEST system.
NO REPLACE damaged bulb. RESTORE vehicle. RETEST system.