Main Relay (Computer/Fuel System): Testing and Inspection

CIRCUIT OPENING RELAY

ON-VEHICLE INSPECTION

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

2. INSPECT CIRCUIT OPENING RELAY







a. Measure the resistance between the terminals.

If the result is not as specified, replace the instrument panel junction block.

3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
4. PERFORM INITIALIZATION
a. Perform initialization.

NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery.