Relay Control Module Input Test

1. Remove the under -hood fuse/relay box under cover.

1. Disconnect the 10P connector from the under -hood fuse/relay box.

1. Inspect the connector and socket terminals to be sure they are all making good contact.
   - If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
   - If the terminals look OK, go to Step 4 .

1. With the connector still disconnected, make these input tests at the connector.
   - If any test indicates a problem, find and correct the cause, then recheck the system.
   - If all the input tests prove OK, the relay control module must be faulty, replace the under-hood fuse/relay box.

   Cavity | Wire | Test condition | Test: Desired result | Possible cause if result is not obtained
   --- | --- | --- | --- | ---
   10 | BLK | Under all conditions | Check for continuity to ground: There should be continuity. |
   - Poor ground (G501, G601)
   - An open in the wire
   8 | YEL | Ignition switch ON (II) | Check for voltage to ground: There should be battery voltage. |
   - Blown No. 21 (7.5 A) fuse in the under-dash fuse/relay box
   - An open in the wire
   7 | BLU | Under all conditions | Check for continuity between terminal No. 7 and the under-dash fuse/relay box connector D (17P) terminal No. 11: There should be continuity. | An open in the wire
   Under-dash fuse/relay box connector D (17P) disconnected | Check for continuity to ground: There should be no continuity. | Short to ground