CAN COMMUNICATION SYSTEM > Distance Control ECU Communication Stop Mode

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DESCRIPTION


Detection Item
Symptom
Trouble Area
DISTANCE CONTROL ECU COMMUNICATION STOP MODE
  1. "Cruise Control" is not displayed on the "Communication Bus Check" screen of the intelligent tester.
  2. Applies to "DISTANCE CONTROL ECU COMMUNICATION STOP MODE" in the "DTC COMBINATION TABLE"
  1. Power source or inside the distance control ECU
  2. Distance control ECU sub bus line or connector

WIRING DIAGRAM


C112553E01


C112553E02


INSPECTION PROCEDURE

1.CHECK CAN BUS LINE FOR DISCONNECTION (DISTANCE CONTROL ECU SUB BUS LINE)
  1. Turn the engine switch off.

  1. Disconnect the distance control ECU (L13).



    G030159E05
  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester Connection
    Condition
    Specified Value
    L13-8 (CANH) - L13-9 (CANL)
    Engine switch off
    54 to 69 Ω



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


2.CHECK WIRE HARNESS (B, GND, SGND)


    G030159E09
  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester Connection
    Condition
    Specified Value
    L13-10 (SGND) - Body ground
    Always
    Below 1 Ω
    L13-12 (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
    L13-1 (B) - Body ground
    Engine switch on (IG)
    10 to 14 V



NG
REPLACE DISTANCE CONTROL ECU
OK

REPAIR OR REPLACE HARNESS OR CONNECTOR