Toyota Sienna Service Manual: Fuel pump

Removal

1. DISCHARGE FUEL SYSTEM PRESSURE HINT: See page FU-1. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 3. REMOVE NO. 1 ENGINE UNDER COVER 4. DRAIN ENGINE COOLANT (See page CO-6) 5. REMOVE FR ...

Components

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Other materials:

Rear Room Temperature Sensor Circuit
DESCRIPTION This sensor detects the rear cabin temperature that is used as the basis for temperature control and sends a signal to the A/C amplifier. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE OF INTELLIGENT TESTER (a) Connect the intelligent tester to the DLC3. (b) Turn the ign ...

Control Module Performance
DESCRIPTION The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standards, the ECM will illuminate the MIL and set a DTC immediately. The ECM also monitors the cru ...

Check for open circuit
(a) For an open circuit in the wire harness in Fig. 1, the resistance or voltage, as described below. (b) Check the resistance.  Check the resistance Standard resistance (Fig. 2) HINT: Measure the resistance while lightly shaking the wire harness vertically and horizontally. I ...