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3. (B16) BRAKE SIGNAL 2 CIRCUIT Turn the ignition on. Using a 12 volt test light connected to ground, check the (B16) Brake Does the test light change from illuminated when the pedal is Yes >> Go to 11 No >> Go to 7 4. (Z967) GROUND CIRCUIT OPEN OR HIGH RESISTANCE Turn the ignition off. Disconnect the Stop Lamp Switch connector. Using a 12 volt test light connected to 12 volts, check the (Z967) NOTE: The test light should be illuminated and bright. Compare Is the test light illuminated and bright? Yes >> Go to 5 No >> Repair the (Z967) Ground circuit for an open circuit or high resistance. Perform the PCM Verification Test Ver. 1 (Refer to 9 - 5. (B15) BRAKE SIGNAL 1 CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (B15) Brake Signal 1 Is the resistance above 100 ohms? Yes >> Go to 6 No >> Repair the (B15) Brake Signal 1 circuit for a short to ground. Perform the PCM Verification Test Ver. 1 (Refer to 9 - PM ENGINE ELECTRICAL DIAGNOSTICS - GPEC 9 - 603 |