Pinpoint Test A: Shift Interlock System Does Not Release/Lock Correctly

External Controls

Pinpoint Tests

PINPOINT TEST A: SHIFT INTERLOCK SYSTEM DOES NOT RELEASE/LOCK CORRECTLY

NOTE: Perform a thorough inspection of the selector lever cable before proceeding with this pinpoint test.

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A1 CHECK FOR DTCs


- Connect the scan tool.
- Ignition ON.
- Are Instrument Cluster (IC) DTCs present?

Yes
REFER to Instrument Panel, Gauges and Warning Indicators.

No
GO to A2.

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A2 TEST CIRCUIT CET53 (BU/OG) FOR AN OPEN


- Disconnect: Brake Shift Interlock Actuator (BSIA) C2008.
- Check to make sure the selector lever harness C2008 is fully seated, the terminals are fully engaged in the connector and are in good condition before proceeding.
- Measure the voltage from C2008-3, circuit CET53 (BU/OG), harness side to ground while applying the brake pedal.




- Is the voltage greater than 12 volts when applied?

Yes
GO to A3.

No
REPAIR circuit CET53 (BU/OG) for an open. CLEAR the DTCs. TEST the system for normal operation.

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A3 TEST CIRCUIT GD161 (BK/YE) FOR AN OPEN


- Measure the voltage between BSIA C2008-1 and C2008-3 while applying the brake pedal.




- Is the voltage greater than 12 volts when applied?

Yes
INSTALL a new BSIA. CLEAR the DTCs. TEST the system for normal operation.

No
INSPECT circuit GD161 (BK/YE) for an open. If no open was found, REPLACE the IC. CLEAR the DTCs. TEST the system for normal operation.

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