A/C Switch & Compressor Clutch Relay
Using DVOM, measure power supply voltage of ECM. Disconnect ECM connector. Turn A/C switch and ignition switch to ON positions. Measure voltage between specified ECM terminals and vehicle ground. See A/C POWER ECM TERMINAL LOCATION table. Voltage should be 6 volts or greater. If voltage is not battery voltage, check and repair circuit.
A/C POWER ECM TERMINAL LOCATION
| Application | Wire Color | (1) Terminal No. | ||
|---|---|---|---|---|
| Montero | Green/Blue | 7 | ||
| Green/White | 65 | |||
| Pickup & Ram-50 | Green/Red | 7 | ||
| Blue | 65 | |||
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