PC1 - Check Power to PCM
NOTE: Before proceeding with this Pinpoint Test, verify that the base timing check has been performed.
- Key "OFF".
- Disconnect Powertrain Control Module (PCM). Inspect for damaged or pushed out pins, corrosion, loose wires. Service as necessary.
- Install breakout box, leave PCM disconnected.
- Key "ON", engine "OFF".
- Measure voltage between test pin 37 and test pin 40 at the breakout box.
- Measure voltage between test pin 57 and test pin 60 at the breakout box.
- Is each voltage greater than 10.5 volts?
Yes -- Go to PC2. PC2 - Check Spout Circuit Continuity
No -- Go to pinpoint test step B1. B1 - Check Battery Voltage