CAN COMMUNICATION SYSTEM (for RHD) > Hybrid Vehicle Control ECU Communication Stop Mode

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DESCRIPTION


Detection Item
Symptom
Suspected Area
HYBRID VEHICLE CONTROL ECU COMMUNICATION STOP MODE
  1. HV Control is not displayed on the "Communication Bus Check" screen of the intelligent tester
  2. Applies to "HV CONTROL ECU COMMUNICATION STOP MODE" in the "DTC COMBINATION TABLE"
  1. Power source circuit of the HV control ECU
  2. HV control ECU

WIRING DIAGRAM


C113214E06


INSPECTION PROCEDURE

1.CHECK WIRE HARNESS (+B1, +B2, IGSW, MREL, E1)


    A103658E13

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Value
    H32-5 (E1) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Value
    H29-9 (IGSW) - Body ground
    		Ignition switch on
    		10 to 14 V
    H31-1 (+B2) - Body ground
    		Always
    		10 to 14 V
    H31-2 (+B1) - Body ground
    		Always
    		10 to 14 V
    H31-12 (MREL)- Body ground
    		Ignition switch on
    		10 to 14 V



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE HYBRID VEHICLE CONTROL ECU