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EC-1282
[YD (WITH EURO-OBD)]
DTC P0504 ASCD BRAKE SWITCH
9. DETECT MALFUNCTIONING PART
Check the following.
● Fuse block (J/B) connector M2
● 10A fuse
● Harness for open or short between ASCD clutch switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
10. CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between ASCD clutch switch terminal 2 and ASCD brake switch terminal 1.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 11.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
11. CHECK ASCD CLUTCH SWITCH
Refer to EC-1283, "
Component Inspection"
OK or NG
OK >> GO TO 14.
NG >> Replace ASCD clutch switch.
12. 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 101 and ASCD brake switch terminal 2.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 13.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
13. CHECK ASCD BRAKE SWITCH
Refer to EC-1283, "
Component Inspection"
OK or NG
OK >> GO TO 14.
NG >> Replace ASCD brake switch.
14. CHECK INTERMITTENT INCIDENT
Refer to EC-1058, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
Continuity should exist.
Continuity should exist.
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