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




External Controls

Pinpoint Tests

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

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A1 TEST THE BRAKE LIGHTS


- Apply the brake pedal and view the brake lights.
- Do the brake lights illuminate?

Yes
GO to A2.

No
REFER to Brake Lamp. Testing and Inspection

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A2 TEST SJB FUSE 5 (10A)


- Ignition ON.
- Check fuse: Smart Junction Box (SJB) 5 (10A).
- Is the resistance less than 5 ohms?

Yes
GO to A3.

No
INSTALL a new fuse. GO to A3.

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A3 TEST THE BSIA POWER CIRCUIT FOR A SHORT TO GROUND


- Ignition OFF.
- Disconnect: Selector Lever Harness C2096.
- Disconnect: SJB C2280C.
- Measure the resistance between selector lever harness C2096-1, circuit CET53 (BU/OG) and ground.




- Is the resistance greater than 10,000 ohms?

Yes
GO to A4.

No
REPAIR circuit CET53 (BU/OG) for a short to ground. TEST the system for normal operation.

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A4 TEST THE BSIA POWER CIRCUIT FOR AN OPEN


- Measure the resistance between selector lever harness C2096-1, circuit CET53 (BU/OG) and SJB C2280C-23, circuit CET53 (BU/OG).




- Is the resistance less than 5 ohms?

Yes
GO to A5.

No
REPAIR circuit CET53 (BU/OG) for an open.

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A5 TEST THE BSIA GROUND CIRCUIT


- Ignition OFF.
- Measure the resistance between selector lever harness C2096-4 circuit GD138 (BK/WH) and ground.




- Is the resistance less than 5 ohms?

Yes
GO to A6.

No
REPAIR circuit GD138 (BK/WH). TEST the system for normal operation.

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A6 TEST THE BSIA


- Measure the resistance between selector lever harness C2096-1 and C0296-4, component side.




- Is the resistance between 20 and 30 ohms?

Yes
INSPECT the selector lever wiring harness for damage and REPAIR as necessary. If damage is not found on the selector lever wiring harness, INSTALL a new selector lever. REFER to Selector Lever Selector Lever.

No
INSTALL a new SJB. TEST the system for normal operation.

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