H: LH Turn Indicator Never/Always ON

Pinpoint Test H - LH Turn Indicator Never/Always On

H1 - Check Indicator Lamp

- Check instrument cluster LH turn indicator to determine if indicator lamp is always on or never on.

Is LH turn indicator always on?

YES
NO GO to H7.GO to H2.

H2 - Check Multi-Function Switch Output

- Gain access to multi-function switch connector.
- Turn ignition switch to RUN position.
- Actuate multi-function switch in left turn position.
- Connect a voltmeter to a known good ground, connect second lead to suspect lamp circuit per chart:

Connector Pin Circuit Circuit Function
C1-8 3 (LG/W) Left Front Tum Signal
C1-10 9 (LG/O) Left Rear Turn Signal

Is voltage B+?

YES Leave switch actuated. GO to H3.
NO REPLACE damaged multi-function switch. RESTORE vehicle. RETEST system.

H3 - Check Suspect Lamp Supply

- Gain access to suspect lamp connector as outlined. Disconnect suspect lamp.
- Using a voltmeter connected to a known good ground, connect second lead to the suspect circuit per chart.

Connector Pin Circuit Circuit Function
C1-8 3 (LG/W) Left Front Turn Signal
C1-10 9 (LG/O) Left Rear Turn Signal

Is voltage B+?

YES GO to H4.
NO GO to H6.

H4 - Check Suspect Lamp Ground Circuit 57 (BK)

- Using an ohmmeter connected to a known good ground, connect second lead to instrument cluster connector pin C1-5, circuit 57 (BK).
- Measure resistance.

Is resistance 5 ohms or less?

YES GO to H5.
NO SERVICE circuit 57 (BK) for open circuit. RESTORE vehicle. RETEST system.

H5 - Check Suspect Bulb

- Using an ohmmeter, check continuity of LH turn indicator bulb.

Is there continuity?

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

H6 - Check Suspect Lamp Circuit

- Turn ignition switch to OFF position.
- Disconnect the multi-function switch.
- Using an ohmmeter connected to a known good ground, connect second lead to suspect circuit per chart.
- Measure resistance.

Connector Pin Circuit Circuit Function
C1-8 3 (LG/W) Left Front Turn Signal
C1-10 9 (LG/O) Left Rear Turn Signal

Is resistance 5 ohms or less?

YES SERVICE suspect circuit for short to ground. RESTORE vehicle. RETEST system.
NO SERVICE suspect circuit for open circuit. RESTORE vehicle. RETEST system.

H7 - Test Multi-Function Switch

- Remove multi-function switch.
- Test multi-function switch per component test.

Did multi-function switch test OK?

YES GO to H8.
NO REPLACE multi-function switch. RESTORE vehicle. RETEST system.

H8 - Check Indicator Flasher

- Reconnect multi-function switch.
- Gain access to the indicator flasher.
- Disconnect indicator flasher.

Did lamps turn off?

YES REPLACE damaged multi-function switch. RESTORE vehicle. RETEST system.
NO SERVICE circuit 44 (LB) for short to B+. RESTORE vehicle. RETEST system.