Pinpoint Test X: The Turn Signal Indicator Is Never/Always On

Instrumentation, Message Center and Warning Chimes

Pinpoint Tests

Pinpoint Test X: The Turn Signal Indicator Is Never/Always On

Normal Operation

When the multifunction switch is in the left or the right turn position, a message is sent to the Instrument Cluster (IC) from the SJB over the communication network, and the left or the right turn signal indicator flashes on and off.

This pinpoint test is intended to diagnose the following:

- SJB
- IC



PINPOINT TEST X: THE TURN SIGNAL INDICATOR IS NEVER/ALWAYS ON

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X1 CHECK THE TURN SIGNAL LAMPS OPERATION


- Ignition ON.
- Operate the LH and RH turn signals.
- Do the turn signals operate correctly?

Yes
GO to X2.

No
REFER to Turn Singals. Testing and Inspection

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X2 CARRY OUT THE IC INDICATOR LAMP CONTROL ACTIVE COMMAND USING THE SCAN TOOL


- Ignition ON.
- Enter the following diagnostic mode on the scan tool: IC DataLogger.
- Select the IC all warning lamps (ALL_LAMP) active command on and off while monitoring the LH and RH turn signal indicators.
- Do the LH and RH turn signal indicators illuminate when commanded on, and turn off when commanded off?

Yes
INSTALL a new SJB. TEST the system for normal operation.

No
INSTALL a new IC. REFER to Instrument Cluster (IC) Instrument Cluster (IC). TEST the system for normal operation.

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