A/C Clutch Relay
- The A/C clutch relay is controlled by ECU. Under normal conditions, ECU will engage clutch relay by providing a ground circuit for relay windings. If ECU receives a wide open throttle signal from throttle position sensor while it is also receiving a A/C on signal from A/C Auto Amplifier, ECU will disengage relay.
- A/C clutch relay (Blue or Green) is located in relay box on right side of engine compartment. Relay is in rearmost position.
- Remove relay from relay box. Apply ground to terminal No. 2 of relay. See Fig 1
. Apply battery voltage to terminal No. 1 of relay. With relay energized, continuity should exist between terminals No. 3 and 5. No continuity should exist with relay de-energized.
Courtesy of NISSAN MOTOR CO., U.S.A.