Operation CHARM: Car repair manuals for everyone.

Headlamp Relay: Testing and Inspection

1. Key OFF.
2. Remove the AUTOLAMP HEADLAMP relay from the RH engine compartment relay panel.
3. Use a jumper to connect terminals 2 and 5 of the AUTOLAMP HEADLAMP relay to the battery positive terminal.
4. Measure the voltage at terminal 3 under the following conditions.







Terminal 1 Terminal 3
Not connected Less than 1 volt
Connected to the battery negative terminal Greater than 10 volts

5. Use a jumper to connect terminals 2 and 7 of the AUTOLAMP HEADLAMP relay to the battery positive terminal.
6. Measure the voltage at terminal 6 under the following conditions.

Terminal 1 Terminal 6
Not connected Less than 1 volt
Connected to battery negative terminal Greater Than 10 Volts

7. If the voltages in all cases are not as specified, replace the AUTOLAMP HEADLAMP relay. Otherwise, return to the Pinpoint Tests.