RAV4 4WD V6-3.5L (2GR-FE) (2006)
Radiator Cooling Fan Control Module: Testing and Inspection
COOLING FAN ECU
ON-VEHICLE INSPECTION
1. CHECK COOLING FAN ECU (w/o Trailer Towing System)
a. Disconnect the B12 ECU connector.
b. Measure the voltage and resistance of the wire harness side connector.
Standard voltage
Standard voltage
Standard resistance
Standard resistance
If the result is not as specified, inspect the power source system (fusible link, fuse, wire harness and relay).
c. Connect the B12 ECU connector.
2. CHECK COOLING FAN ECU (w/Trailer Towing System)
a. Disconnect the B10 and B11 ECU connector.
b. Measure the voltage and resistance of the wire harness side connector.