Code P053, 4X Reference SGNL Interrupt From IGN CNTRL Module: Action
Code P053 is set. MIL is not illuminated.
NOTE:
Test number refers to number on diagnostic chart.
- Checks to see if Code P035 is set. A REF LO problem can cause other ignition problem.
- Checks for power to ignition control module.
- Checks ignition control module's ability to produce 4X reference pulses. If system is operating correctly, reading will be 30 Hertz or greater.
- Open at fuse block. Check terminal contact.
- Checks for open or short on circuit No. 430.