Operation CHARM: Car repair manuals for everyone.

Test 7, Power Relay Check


1. Turn ignition switch On then Off, while listening for a clicking noise in relay 1.
2. Supply battery voltage to relay terminal 1-BW, and ground terminal 2-B.
3. Using a suitable volt-ohmmeter, check for continuity between terminals 3-BR and 4-WR
4. If reading is satisfactory, proceed to Test 8.
5. If reading is unsatisfactory, replace power relay.