METER / GAUGE SYSTEM > Power Meter Gauge Malfunction

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WIRING DIAGRAM


E110189E01


INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Operate the intelligent tester according to the steps on the display and select "ACTIVE TEST".

    METER 
    Item
    		Test Details
    		Diagnostic Note
    Power Meter Operation
    		0 / 50 / 100 / 150 / 200 kW
    		Confirm that the vehicle is stopped, engine idling.

    OK:
    Needle indication is normal.



NG
REPLACE COMBINATION METER ASSEMBLY
OK


2.CHECK HARNESS AND CONNECTOR (BETWEEN COMBINATION METER AND HYBRID VEHICLE CONTROL ECU)


    E111202E02

  1. Disconnect the C9 and H29 connectors.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    C9-8 (POWER METER) - H29-4 (PMET)
    		Always
    		Below 1 Ω
    C9-8 (POWER METER) - Body ground
    		Always
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.INSPECT COMBINATION METER ASSEMBLY


  1. Check the input signal waveform.



      E110180E04

    1. Remove the combination meter assembly with connector still connected.



      2. E111225E03

    2. Connect the oscilloscope to the terminals H29-4 (PMET) and body ground.

    3. Start the engine.

    4. Check the signal waveform according to he condition(s) in the table below.
      OK 
      Item
      		Condition
      Tool setting
      		1 V/DIV., 2 μs/DIV.
      Vehicle condition
      		Turn the ignition switch to the ON position.



OK
REPLACE COMBINATION METER ASSEMBLY
NG

GO TO HYBRID VEHICLE CONTROL SYSTEM