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P0703-BRAKE SWITCH 2 PERFORMANCE (CONTINUED) 2. (F942) FUSED IGNITION SWITCH CIRCUIT Turn the ignition off. Disconnect the Stop Lamp Switch harness connector. Using a 12-volt test light connected to ground, probe the (F942) Fused Does the test light illuminate brightly? Yes >> Go To 3 No >> Repair the open or short to ground in the (F942) Fused Ignition Switch Output circuit. Inspect the related fuse and Perform the POWERTRAIN VERIFICATION TEST. (Refer 3. STOP LAMP SWITCH Turn the ignition off. Measure the resistance between the (F942) Fused Ignition Switch Output circuit terminal and the (B16) Brake Measure the resistance between the (Z904) Ground circuit terminal and the (B15) Brake Switch No.1 Signal terminal Apply and release the Stop Lamp Switch while monitoring the ohmmeter. Does the resistance change from below 5.0 ohms to open circuit for each circuit check? Yes >> Go To 4 No >> Replace the Stop Lamp Switch. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 4. (B16) BRAKE SWITCH NO.2 SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE Disconnect the C3 PCM harness connector. Measure the voltage on the (B16) Brake Switch No.2 Signal circuit in Ignition on, engine not running. Is the voltage above 0 volts? Yes >> Repair the short to battery voltage in the (B16) Brake Switch No.2 Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 5 9 - 756 ENGINE ELECTRICAL DIAGNOSTICS WK |