Toyota RAV4 manuals

Toyota Sienna Service Manual: Cooling fan relay

On-vehicle inspection

On-vehicle inspection

1. Cooling fan relay

(a) Remove the relay from engine room relay block No.

1.

(b) Measure the resistance of the relay.

Standard resistance

If the result is not as specified, replace the cooling fan relay.

(c) Install the relay to engine room relay block No. 1.

Cooling fan ecu
ON-VEHICLE INSPECTION 1. INSPECT COOLING FAN ECU (a) Inspect the input voltage. (1) Disconnect the cooling fan ECU connector. (2) Turn the ignition switch to the ON position. Check the ...

Radiator
COMPONENTS ...

Other materials:

Inspection
1. INSPECT MASS AIR FLOW METER  Visually check for any foreign matter on the platinum hot wire (heater) of the mass air flow meter. OK: There is no foreign matter. If the result is not as specified, replace the mass air flow meter. Measure the resistance according to the ...

VC Output Circuit
DESCRIPTION The ECM constantly uses 5 V from the battery voltages supplied to the +B (BATT) terminal to operate the microprocessor. The ECM also provides this power to the sensors through the VC output circuit. When the VC circuit is short-circuited, the microprocessor in the ECM and sens ...

Input Signal Circuit Malfunction
DTC P0607 Input Signal Circuit Malfunction DESCRIPTION This DTC indicates internal abnormalities of the ECM. DTC No. Detection Item Trouble Area P0607 The ECM has a supervisory CPU and control ECU inside. When each input STP signal is different for 0.15 ...

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