Circuit Opening Relay

2AZ-FE ENGINE CONTROL SYSTEM: CIRCUIT OPENING RELAY: ON-VEHICLE INSPECTION

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 INSTRUMENT PANEL JUNCTION BLOCK
NOTE: The circuit opening relay is built into the instrument panel junction block.

(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