B - Testing Notes
NOTE: You should enter this Pinpoint Test only when directed here from Pinpoint Tests C, J, PA, PB, or PC.REMEMBER: To prevent the replacement of good components, be aware that the following non-Electronic Engine Controls (EEC) areas may be at fault:
- Ignition Switch
- Battery Cables
- Generator
- Voltage Regulator (VR)
- Ground Straps
This Pinpoint Test is intended to diagnose only the following:
- Powertrain Control Module (PCM) (12A650)
- Harness circuits: SIG RTN, PWR GND, VPWR, KAPWR, IGNITION SWITCH
- Battery Positive Voltage (B+)
- EEC Power Relay (12A646)