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G531330t103 : CHECK THE OPERATION OF THE BRAKE SWITCH (PEDAL 1. Key off. 2. Disconnect the brake switch electrical connector, CR78. 3. Make sure the brake pedal is not pressed. 4. Measure the resistance between: Brake switch connector CR78, component side Brake switch connector CR78, component side Pin 01
Pin 02
Is the resistance greater than 10 ohms? -> Yes GO to Pinpoint Test G531330t104.
-> No INSTALL a new brake switch. CLEAR the DTC, test the system for normal operation. G531330t104 : CHECK THE OPERATION OF THE BRAKE SWITCH (PEDAL 1. Press the brake pedal. 2. Measure the resistance between: Brake switch connector CR78, component side Brake switch connector CR78, component side Pin 01
Pin 02
Is the resistance greater than 10 ohms? -> Yes INSTALL a new brake switch. CLEAR the DTC, test the system for normal operation.
-> No GO to Pinpoint Test G531330t105.
G531330t105 : CHECK THE POWER SUPPLY TO THE BRAKE PEDAL SWITCH 1. Key on, engine off. 2. Measure the voltage between: Brake switch connector CR78, harness side Battery
Pin 01
Negative terminal |