1. INSPECT RELAY (Marking: FAN NO. 1, FAN NO. 3)

(a) Measure the resistance of the relay.
Standard:

If the result is not as specified, replace the relay.
2. INSPECT RELAY (Making: FAN NO. 2)

(a) Measure the resistance of the relay.
Standard:

If the result is not as specified, replace the relay.
3. INSPECT ENGINE COOLANT TEMPERATURE SENSOR

(a) Measure the resistance between terminals 1 and 2.
Standard:

If the result is not as specified, replace the sensor.
NOTICE: When checking the ECT sensor in the water, the terminals should be kept dry. After the check, dry the sensor.
On-vehicle inspection
Coolant (2AZ-FE)Navigation ECU
REPLACEMENT
HINT:
COMPONENTS: See page 67-2
Installation is in the reverse order of removal.
1. REMOVE FRONT SEAT ASSEMBLY LH
POWER SEAT (SEE PAGE 72-1 1)
MANUAL SEAT (SEE PAGE 72-19 )
2. REMOVE NAVIGATION ECU COVER
(a) Remove the 4 claws and the navigation ECU cover.
3. REMOVE NA ...