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

2AZ-FE ENGINE CONTROL SYSTEM: CIRCUIT OPENING RELAY: ON-VEHICLE 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.
Standard resistance:





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