CAN COMMUNICATION SYSTEM > Skid Control ECU Communication Stop Mode

for Preparation Click here


DESCRIPTION


Detection Item
Symptom
Trouble Area
SKID CONTROL ECU 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 COMMUNICATION STOP MODE" in the "DTC COMBINATION TABLE"
  1. Power source or inside the skid control ECU
  2. Skid control ECU sub bus line or connector

WIRING DIAGRAM


C112560E01


C112560E02


INSPECTION PROCEDURE

1.CHECK CAN BUS LINE FOR DISCONNECTION (SKID CONTROL ECU SUB BUS LINE)

  1. Turn the engine switch off.

  1. Disconnect the skid control ECU connector (A15).



    E069126E17

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

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Value
    A15-9 (CANH) - A15-22 (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, IG2, GND, GND4)


    C112550E03

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

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Value
    A15-1 (GND4) - Body ground
    		Always
    		Below 1 Ω
    A13-1 (GND) - 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
    A15-16 (IG2) - Body ground
    		Engine switch on (IG)
    		10 to 14 V
    A13-16 (IG1) - Body ground
    		Engine switch on (IG)
    		10 to 14 V



NG
REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR
OK

REPLACE SKID CONTROL ECU