AC–61 AIR CONDITIONING SYSTEM – TROUBLESHOOTING 2 Check blower motor. P Remove blower motor control (see page AC–99). C Connect positive (+) lead to terminal 2 of blower motor connector, negative (–) lead to terminal 1. OK Blower motor operates smoothly. 2 1 N08820 OK NG Replace blower motor. Go to step 3 . 3 Check blower motor control relay. P Remove blower motor control relay with connectors still connected C 1. Turn ignition switch To ON. 2. Operate blower motor. OK Terminals Standard Value GND ↔ Body Ground Continuity +B ↔ Body Ground Battery Positive Voltage M+ ↔ Body Ground Battery Positive Voltage M+ ↔ M– Battery Positive Voltage SI ↔ Body Ground 1 ~ 3 V GND M– SI +B M+ E01520 OK NG Replace blower motor control relay. Repair or replace harness or connector