Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics

INSPECT INTEGRATION RELAY OPERATION
Key Unlock Warning System:





a. Connect the positive (+) lead from the battery to terminal 2 and 3.
b. Connect the negative (-) lead from the battery to terminal 7 and 10.
c. Check the buzzer sounds.




d. Disconnect the positive (+) lead from the battery to terminal 3.
e. Check that the buzzer stops sounding.




f. Connect the positive (+) lead from the battery to terminal 3
g. Disconnect the negative (-) lead from the battery to terminal 10.
h. Check that the buzzer stops sounding.
If operation is not as specified, replace the relay.







INSPECT INTEGRATION RELAY CIRCUIT
Remove the relay from the junction block No.1 and inspect the connectors on the junction block side.
If circuit is as specified, trying replacing the relay with a new one.
If circuit is not as specified, inspect the circuits connected to other parts.