Code P040, Open PSPS Circuit: Action
PCM turns on MIL.
NOTE:
Test numbers refer to numbers on diagnostic chart.
- Checks if PI85 will cycle from high to low to high. If PI85 stays low, check for open or short to ground in circuit. If PI85 stays high, check for short to voltage in circuit.
- Checks is circuit No. 495 is shorted to voltage or if power steering is faulty.
- Checks if circuit No. 741 or fuse D1 is open.
- Checks if power steering pressure switch is open.
- Checks if circuit No. 495 is open or if PCM is faulty.