Pinpoint Test A: The BSIA System Does Not Release/Lock Correctly

External Controls

Pinpoint Tests

Refer to Wiring Diagram Set 37, Shift Interlock for schematic and connector information. Diagrams By Number

Refer to Wiring Diagram Set 30, Switch Transmission - 6R80 for schematic and connector information. Diagrams By Number


PINPOINT TEST A: THE BSIA SYSTEM DOES NOT RELEASE/LOCK CORRECTLY

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A1 CHECK POWER CIRCUIT FOR AN OPEN


- Disconnect: Selector Lever C307.
- Measure the voltage between selector lever C307-3, circuit CET53 (BU/OG), harness side and ground while applying and releasing the brake pedal.




- Is the voltage greater than 10 volts with the brake pedal applied and 0 volt with the brake pedal released?

Yes
GO to A2.

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

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A2 CHECK GROUND CIRCUIT FOR AN OPEN


- Measure the resistance between selector lever C307-1, circuit GD139 (BK/YE), harness side and ground.




- Is the resistance less than 5 ohms?

Yes
INSTALL a new selector lever assembly. REFER to Selector Lever Selector Lever. CLEAR the DTC. TEST the system for normal operation.

No
REPAIR circuit GD139 (BK/YE) for an open. CLEAR the DTC. TEST the system for normal operation.

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