Toyota Sienna Quiz
Meter

Engine Coolant Temperature Receiver Gauge Malfunction

In this manual: Meter
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
10steps
~60min
3/5difficulty
Done 0 of 10

DESCRIPTION

The meter CPU receives engine coolant temperature signals from the ECM via the multiplex communication lines. The meter CPU displays engine coolant temperature that is calculated based on the data received from the ECM.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT: If there is an open or short in the engine coolant temperature sensor circuit, the ECM will store the DTCs.

Perform troubleshooting of the "SFI System"

1 CHECK MULTIPLEX COMMUNICATION SYSTEM

  1. Check if the MULTIPLEX communication DTC is output

Result

Result

2 PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Connect the intelligent tester to the DLC3.
  2. Turn the ignition switch to the ON position.
  3. Turn the tester ON.
  4. Enter the following menus: DIAGNOSIS / OBD/MOBD / METER / ACTIVE TEST.
  5. Check the operation by referring to the values in the table below.

METER:

METER

OK: Needle indication is normal.

3 READ VALUE OF INTELLIGENT TESTER

  1. Connect the intelligent tester to the DLC3.
  2. Turn the ignition switch to the ON position.
  3. Turn the tester ON.
  4. Enter the following menus: DIAGNOSIS / ENGINE / DATA LIST.
  5. Check the values by referring to the values in the table below.

ENGINE:

ENGINE

4 REPLACE COMBINATION METER ASSEMBLY

OK: The operation of the combination meter assembly returns to normal.

END

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