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C107C–BRAKE PEDAL SWITCH 1/2 STUCK (EBC125) (CONTINUED) 2. BRAKE LAMP SWITCH Turn ignition off. Disconnect the Brake Lamp Switch harness connector. Turn ignition on. With the scan tool, monitor the brake switch status. Connect and disconnect a jumper wire between the (Z429) Ground cir- Does the scan tool display correctly with the jumper wire con- Yes >> Replace the Brake Lamp Switch in accordance with the Service Information. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - No >> Go To 3 3. (B29) BRAKE SWITCH SIGNAL CIRCUIT SHORT TO VOLTAGE Turn the ignition off. Disconnect the Anti-lock Brake Module harness connector. Turn the ignition on. Measure the voltage of the (B29) Brake Switch Signal circuit. Is there any voltage present? Yes >> Repair the (B29) Brake Switch Signal circuit for a short to voltage. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - No >> Go To 4 5 - 94 BRAKES - ABS ELECTRICAL DIAGNOSTICS ND |