C1153

DTC C1153: P/S Control Module Power Supply Circuit

Wiring Diagram










DTC Detecting Condition and Trouble Area






DTC Troubleshooting


1.
Was "EPS System Check" performed?
YES
Go to Step 2.
NO
Go to EPS System Check:Electric Type.

2. Battery voltage check

Check circuit fuse for P/S control module.
If OK, measure voltage between positive (+) battery terminal and vehicle body ground with engine running.

Is voltage 10 V or more?
YES
Go to Step 3.
NO
Check charging system referring to Generator Test.

3. P/S control module power supply circuit check

Check power supply circuit and ground circuit for P/S control module referring to P/S Control Module Power Supply and Ground Circuit Check P/S Control Module Power Supply and Ground Circuit Check:Electric Type.

Is check result in good condition?
YES
Substitute a known-good P/S control module and recheck.
NO
Repair defective circuit.