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ASCD BRAKE SWITCH EC-1381 [VK45DE] C D E F G H I J K L M A EC 3. CHECK ASCD BRAKE SWITCH POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ASCD brake switch (2) harness connector. – Stop lamp switch (1) 3. Turn ignition switch ON. 4. Check voltage between ASCD brake switch terminal 1 and OK or NG OK >> GO TO 5. NG >> GO TO 4. 4. DETECT MALFUNCTIONING PART Check the following. ● Fuse block (J/B) connector E102 ● 10A fuse ● Harness for open or short between ASCD brake switch and fuse >> Repair open circuit or short to ground or short to power in harness or connectors. 5. CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness continuity between ECM terminal 108 and ASCD brake switch terminal 2. 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 7. NG >> GO TO 6. 6. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors E108, M15 ● Harness for open or short between ECM and ASCD brake switch >> Repair open circuit or short to ground or short to power in harness or connectors. PBIB2705E Voltage: Battery voltage PBIB0857E Continuity should exist. |