Dtc C1A02 Vehicle Information Not Obtained


DESCRIPTION

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER

CHECK FOR DTC

DTC C1A02 Vehicle Information Not Obtained


DESCRIPTION

When the driving support ECU is replaced with a new one, it acquires the country specification information from the main body ECU (multiplex network body ECU). If the driving support ECU cannot store the country specification information, DTC C1A02 is stored.

DTC Code
DTC Detection Condition
Trouble Area
C1A02
While the ignition switch is ON and the pre-crash safety system is operating, the driving support ECU cannot store the country specification information.
  1. Main body ECU (Multiplex network body ECU)
  2. Driving support ECU

INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER

  1. Use the Data List to check if the country specification information is correct (LandCruiser RM0000043KP00GX.html).

    Pre-Crash 2
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Country# (DSS)
    		Driving support ECU country signal / JPN, NA, EURO, AUS, SAFC, OTHER, TWN, CHINA, THAI, GCC or NOFIX
    		EURO, AUS, TWN, THAI or GCC
    		-

    OK:
    Country specification information is correct.


NG
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVING SUPPORT ECU
OK


2.CHECK FOR DTC

  1. Clear the DTCs (LandCruiser RM0000043K500GX.html).

  1. Check for DTCs (LandCruiser RM0000043K500GX.html).

    OK:
    DTC C1A02 is not output.


NG
REPLACE DRIVING SUPPORT ECU (LandCruiser RM000002OJO01NX.html)
OK

USE SIMULATION METHOD TO CHECK (LandCruiser RM000003YMJ00XX.html)