SYSTEM DIAGRAM
How To Proceed With Troubleshooting
Basic InspectionMotor Circuit Malfunction (C1522-C1555)
DESCRIPTION
The power steering ECU supplies current to the power steering motor through the
motor circuit.
DTC No.
DTC Detection Condition
Trouble Area
C1522
Motor current sensor malfunction
...
Lost Communication with ECM / PCM "A" (U0100,U0129)
DESCRIPTION
The power steering ECU receives signals from the ECM and the brake actuator assembly
(skid control ECU) via the CAN communication system.
DTC No.
DTC Detection Condition
Trouble Area
U0100
...
Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On
Board Diagnostics) checks. The OBD system monitors the operation of the emission
control system.
- If the malfunction indicator lamp comes on
The OBD system determines that ...