VPWR5 Check PCM Relay

- Key OFF.

- Remove the PCM (ENGINE CONT.) relay.

PCM Relay:

- Apply battery power between PWR (terminal 1) and GND (terminal 2) at the PCM relay.

- Check the continuity between the other PWR (terminal 3) and VPWR (terminal 4) at the PCM relay.

- Is there continuity when power is applied, and no continuity when no power is applied?

YES -- GO to VPWR6. VPWR6 Check Ground at PCM

NO -- REPLACE the PCM (ENGINE CONT.) relay.