Specifications

ON-BOARD DIAGNOSTIC (ABS/TCS)
P53
P
Diagnostic procedure
STEP INSPECTION ACTION
1 VERIFY OTHER DTC HAS BEEN RECORDED
• If any of DTC C1186 and/or C1266 has also
been stored?
Yes Go to applicable DTC inspection.
No Go to next step.
2 INSPECT ABS FUSE CONDITION
• Is ABS fuse (60 A) okay?
Yes Go to next step.
No Replace fuse, then go to Step 6.
3 INSPECT MOTOR RELAY POWER SUPPLY
CIRCUIT FOR OPEN CIRCUIT
• Turn ignition key to OFF.
• Disconnect ABS (ABS/TCS) HU/CM
connector.
• Connect SST (adapter harness) to ABS
(ABS/TCS) HU/CM connector (harness side
only).
• Turn ignition key to ON (engine OFF).
• Measure voltage between ABS (ABS/TCS)
HU/CM terminal AB (harness side) of SST
and ground.
• Is voltage B+?
Yes Go to next step.
No Repair or replace harness for open circuit between battery
positive terminal and ABS (ABS/TCS) HU/CM terminal AC,
then go to Step 6.
4 INSPECT PUMP MOTOR GROUND CIRCUIT
FOR OPEN CIRCUIT
• Turn ignition key to OFF.
• Inspect continuity between ABS (ABS/TCS)
HU/CM terminal AD (harness side) of SST
and ground.
• Is there continuity?
Yes Go to next step.
No Repair or replace harness for open circuit between ABS
(ABS/TCS) HU/CM terminal AB and ground, then go to Step
6.