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 OFF.
- Check fuse: 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
- Disconnect: Selector Lever Harness C3245.
- Ignition ON.
- Measure the voltage between selector lever harness C3245-1, circuit CET53 (BU/OG) and ground, while applying the brake pedal.
- Is the voltage greater than 10 volts?
Yes
GO to A6.
No
GO to A4.
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A4 TEST THE BSIA POWER CIRCUIT FOR A SHORT TO GROUND
- Ignition OFF.
- Disconnect: Smart Junction Box (SJB) C2280C.
- Measure the resistance between selector lever harness C3245-1, circuit CET53 (BU/OG) and ground.
- Is the resistance greater than 10,000 ohms?
Yes
GO to A5.
No
REPAIR circuit CET53 (BU/OG) for a short to ground. TEST the system for normal operation.
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A5 TEST THE BSIA POWER CIRCUIT FOR AN OPEN
- Measure the resistance between selector lever harness C3245-1, circuit CET53 (BU/OG) and SJB C2280C-23, circuit CET53 (BU/OG).
- Is the resistance less than 5 ohms?
Yes
INSTALL a new SJB. TEST the system for normal operation.
No
REPAIR circuit CET53 (BU/OG) for an open.
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A6 TEST THE BSIA GROUND CIRCUIT
- Ignition OFF.
- Measure the resistance between floor selector lever harness C3245-4, circuit GD111 (BK/BU) and ground.
- Is the resistance less than 5 ohms?
Yes
INSTALL a new selector lever. REFER to Selector Lever Selector Lever.
No
REPAIR circuit GD111 (BK/BU). TEST the system for normal operation.
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