Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Compressor Clutch Relay: Testing and Inspection





Inspection
Acceleration cut-off

1. Turn ignition switch ON.
2. Shift transmission into gear (MT) on shift into D range (AT).
3. Turn the A/C switch and blower switch ON.
4. Open the throttle valve fully and verify that the magnetic clutch disengage (click is heard) then re-engages after approx. 5 seconds.
5. If not as specified, check the A/C relay, ECM terminal 1 L voltage.




Continuity Inspection
1. Check continuity between the terminals with ohmmeter.
2. If not as specified, replace the A/C relay.