Diesel Data: Automotive Repair

Radiator Cooling Fan Motor Relay: Testing and Inspection








1NZ-FXE COOLING: COOLING FAN RELAY: ON-VEHICLE INSPECTION

ON-VEHICLE INSPECTION

1. INSPECT INTEGRATION RELAY (UNIT C: NO. 1 FAN (FAN NO. 1) RELAY)
(a) Inspect the resistance of the fan relay.
(1) Measure the resistance between the terminals.
Standard resistance:









- If the resistance is not as specified, replace the integration relay.





2. INSPECT NO. 2 FAN RELAY (Marking: FAN NO. 2)
(a) Remove the relay from the engine room relay block.
(b) Measure the resistance of the relay.
Standard resistance:





If the result is not as specified, replace the relay.
(c) Install the relay.





3. INSPECT NO. 3 FAN RELAY (Marking: FAN NO. 3)
(a) Remove the relay from the engine room relay block.
(b) Measure the resistance of the relay.
Standard resistance:





If the result is not as specified, replace the relay.
(c) Install the relay.