toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Oxygen Sensor Relay > < Fuel Pump Relay|Page 2446
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Main Relay (Computer/Fuel System): Testing and Inspection
Circuit Opening Relay

1GR-FE ENGINE CONTROL SYSTEM: CIRCUIT OPENING RELAY:

ON-VEHICLE INSPECTION

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

2. REMOVE CIRCUIT OPENING RELAY

(a) Remove the relay block cover upper.
(b) Remove the circuit opening relay.

3. INSPECT CIRCUIT OPENING RELAY

(a) Check the resistance.

(1) Using an ohmmeter, measure the resistance between the terminals.

Standard resistance:

If the result is not as specified, replace the circuit opening relay.

4. INSTALL CIRCUIT OPENING RELAY

(a) Install the circuit opening relay.
(b) Install the relay block cover upper.

5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

Torque: 3.9 Nm (40 kgf-cm, 35 in-lbf)

Oxygen Sensor Relay > < Fuel Pump Relay|Page 2446