CAN COMMUNICATION SYSTEM > Skid Control ECU with Actuator Communication Stop Mode

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DESCRIPTION


Detection Item
Symptom
Trouble Area
SKID CONTROL ECU WITH ACTUATOR COMMUNICATION STOP MODE
  1. ABS/VSC/TRC is not displayed on the "COMMUNICATION BUS CHECK" screen of the intelligent tester
  2. Applies to SKID CONTROL ECU WITH ACTUATOR COMMUNICATION STOP MODE" in the "DTC COMBINATION TABLE"
  1. Power source or inside the skid control ECU with actuator
  2. Skid control ECU with actuator sub bus line or connector

WIRING DIAGRAM


C112554E03


C112554E04


INSPECTION PROCEDURE

1.CHECK CAN BUS LINE CONNECTION (SKID CONTROL ECU WITH ACTUATOR SUB BUS LINE)

  1. Turn the engine switch off.

  1. Disconnect the skid control ECU with actuator connector (A48).



    E069126E16

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

    Standard resistance:
    Tester connection
    		Condition
    		Specified Value
    A48-11 (CANH) - A48-25 (CANL)
    		Engine switch off
    		54 to 69 Ω



NG
REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
OK


2.CHECK WIRE HARNESS (IG1, GND1, GND2)


    E069126E13

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

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Value
    A48-1 (GND2) - Body ground
    		Always
    		Below 1 Ω
    A48-32 (GND1) - 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
    A48-46 (IG1) - Body ground
    		Engine switch on (IG)
    		10 to 14 V



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE SKID CONTROL ECU WITH ACTUATOR