Specifications

P62
ON-BOARD DIAGNOSTIC (ABS/TCS)
End Of Si e
DTC C1186, C1266
A6E697567650W12
Caution
•
••
• When attaching the tester lead to the ABS (ABS/TCS) HU/CM harnesses connector the SST (49
G066 001) must be used. (See P29 ABS (ABS/TCS) HU/CM INSPECTION.)
8 INSPECT ABS (ABS/TCS) HU/CM
OPERATION
• Perform ABS (ABS/TCS) HU/CM system
inspection.
(See P27 ABS (ABS/TCS) HU/CM
SYSTEM INSPECTION)
• Is it okay?
Yes Go to next step.
No Replace ABS (ABS/TCS) HU/CM, then go to next step.
9 VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from memory.
See P46 Clearing DTCs Procedures
• Start engine and drive vehicle at 10 km/h
{6.2 mph} or above.
• Gradually slow down vehicle and stop.
• Is same DTC present?
Yes Replace ABS (ABS/TCS) HU/CM, then go to next step.
No Go to next step.
10 VERIFY AFTER REPAIR PROCEDURE
• Is there any other DTC present?
Yes Go to applicable DTC inspection.
No Troubleshooting completed.
STEP INSPECTION ACTION
DTC C1186, C1266 Fail-safe relay
DETECTION
CONDITION
• C1186:
 Fail-safe relay in ABS (ABS/TCS) HU/CM stuck OFF when ignition switch is turned ON, fail-safe
relay ON is commanded.
• C1266:
 Fail-safe relay in ABS (ABS/TCS) HU/CM stuck ON when ignition switch is turned ON, fail-safe relay
OFF is commanded.
POSSIBLE
CAUSE
• Malfunction of fuse (ABS 60 A)
• Open circuit in harness between ABS (ABS/TCS) HU/CM terminal AA and battery positive terminal
• Open or short of fail-safe relay in ABS (ABS/TCS) HU/CM
• Stuck fail-safe relay in ABS (ABS/TCS) HU/CM