DTC B1352

id060200800400

DTC

B1352

Ignition power supply

DETECTION CONDITION

• Less than 2.5 V detected at the voltage monitor of the EHPAS control module

POSSIBLE CAUSE

• Short to ground in wiring harness between EHPAS control module terminal 2F and ignition switch
• Open circuit in wiring harness between EHPAS control module terminal 2F and ignition switch
• Poor connection at connectors

Diagnostic procedure

STEP

INSPECTION

ACTION

1
INSPECT FUSES
• Are the fuses normal?
Yes
Go to the next step.
No
Repair or replace the fuses, then go to the step 3.
2
INSPECT EHPAS CONTROL MODULE POWER SUPPLY CIRCUIT FOR OPEN OR SHORT CIRCUIT
• Start the engine.
• Measure the voltage between following EHPAS control module terminal (wiring harness-side) and ground.
- EHPAS control module: 2F-ground
• Is voltage 10 V or more?
Yes
Go to the next step.
No
Repair or replace the harness for open circuit between EHPAS control module and ground, then go to next step.
3
VERIFY THAT THE SAME DTC IS NOT PRESENT
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the memory.
• Is same DTC present?
Yes
Replace the electric power steering oil pump, then go to the next step.
No
Go to the next step.
4
VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
(See DTC Table.)
No
Troubleshooting completed.