Integration Relay

2AR-FE ENGINE CONTROL SYSTEM: INTEGRATION RELAY: ON-VEHICLE INSPECTION

NOTICE:
* The EFI MAIN and A/F relays are built into the integration relay.
* Some relays are built into the integration relay. The integration relay cannot be disassembled. If there is a malfunction in the circuit of the integration relay, replace the integration relay.
1. REMOVE INTEGRATION NO.1 RELAY

(a) Remove the engine room No. 1 relay block cover.

(b) Using a screwdriver, detach the 2 claws and disconnect the integration relay from the engine room No. 1 relay block.





HINT
Tape the screwdriver tip before use.

(c) Disconnect the 3 connectors from the integration relay.

2. INSPECT INTEGRATION NO.1 RELAY (EFI MAIN RELAY)

(a) Measure the resistance of the EFI MAIN fuse.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(2) If the result is not as specified, replace the EFI MAIN fuse.

(b) Measure the resistance of the EFI MAIN relay circuit.





(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(2) If the result is not as specified, replace the integration relay.

3. INSPECT INTEGRATION NO.1 RELAY (A/F RELAY)

(a) Measure the resistance of the A/F fuse.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(2) If the result is not as specified, replace the A/F fuse.

(b) Measure the resistance of the A/F relay circuit.





(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(2) If the result is not as specified, replace the integration relay.

4. INSTALL INTEGRATION NO.1 RELAY