|
|
ASCD BRAKE SWITCH EC-1339 < DTC/CIRCUIT DIAGNOSIS > [VQ40DE FOR MEXICO] C D E F G H I J K L M A EC N P O 6. CHECK BRAKE PEDAL POSITION SWITCH EC-1340, "Component Inspection" . OK or NG OK >> GO TO 11. NG >> Replace brake pedal position switch. Refer to 7. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect stop lamp switch (2) harness connector. - Brake pedal position switch (1) 3. Check voltage between stop lamp switch terminal 1 and ground with CONSULT or tester. OK or NG OK >> GO TO 9. NG >> GO TO 8. 8. DETECT MALFUNCTIONING PART Check the following. • Fuse block (J/B) connector E160 • 10 A fuse (No.20) • Harness for open or short between stop lamp switch and battery >> Repair open circuit or short to ground or short to power in harness or connectors. 9. CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Disconnect ECM harness connector. 2. Check harness continuity between ECM terminal 101 and stop lamp switch terminal 2. Refer to Wiring Diagram. 3. Also check harness for short to ground and short to power. OK >> GO TO 10. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 10. CHECK STOP LAMP SWITCH EC-1340, "Component Inspection" . OK or NG OK >> GO TO 11. NG >> Replace stop lamp switch. Refer to . MBIB1214E Voltage: Battery voltage PBIB1184E Continuity should exist. |