Lexus NX: Destination Information Undefined (C1AB8)

DESCRIPTION

This DTC is stored when correct destination information is not sent from the main body ECU (multiplex network body ECU) and destination information cannot be confirmed after a blind spot monitor sensor has been replaced.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Note

C1AB8

Destination Information Undefined

The blind spot monitor sensor cannot communicate with the main body ECU (multiplex network body ECU).

  • CAN communication system
  • Main body ECU (multiplex network body ECU)
  • Blind spot monitor sensor LH
  • Blind spot monitor sensor RH

-

CAUTION / NOTICE / HINT

NOTICE:

  • When checking for DTCs, make sure that the blind spot monitor main switch (combination switch assembly) is on.
  • Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).
  • If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.

    Click here

PROCEDURE

1.

CHECK DTC (CAN COMMUNICATION SYSTEM)

(a) Check for CAN communication system DTCs.

Click here

OK:

CAN communication system DTCs are not output.

NG

GO TO CAN COMMUNICATION SYSTEM

OK

2.

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

(a) Replace the main body ECU (multiplex network body ECU).

Click here

NEXT

3.

CHECK DTC

(a) Clear the DTCs.

Click here

Body Electrical > Blind Spot Monitor Master > Clear DTCs Body Electrical > Blind Spot Monitor Slave > Clear DTCs

(b) Recheck for DTCs and check if the same DTC is output again.

Click here

Body Electrical > Blind Spot Monitor Master > Trouble Codes Body Electrical > Blind Spot Monitor Slave > Trouble Codes

Result

Proceed to

DTC C1AB8 is not output

A

DTC C1AB8 is output from the blind spot monitor sensor LH (master)

B

DTC C1AB8 is output from the blind spot monitor sensor RH (slave)

C

A

END (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] WAS DEFECTIVE)

B

REPLACE BLIND SPOT MONITOR SENSOR LH

C

REPLACE BLIND SPOT MONITOR SENSOR RH

READ NEXT:

 Blind Spot Monitor Master Module Beam Axis Inspection Incomplete (C1ABB)

DESCRIPTION This DTC is stored when a beam axis inspection has not been performed for the blind spot monitor sensor LH. HINT: This DTC is always stored after replacing a blind spot monitor sensor. The

 Blind Spot Monitor Slave Module Beam Axis Inspection Incomplete (C1ABC)

DESCRIPTION This DTC is stored when a beam axis inspection has not been performed for the blind spot monitor sensor RH. HINT: This DTC is always stored after replacing a blind spot monitor sensor. The

 Short to GND or Open in Buzzer (C1ABE)

DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects a ground short or open in the RCTA buzzer (blind spot monitor buzzer) circuit. DTC No. Detection Item DTC Detection

SEE MORE:

 Luggage compartment features

Cargo hooks Raise the hook to use. The cargo hooks are provided for securing loose items. WARNING ■When cargo hooks are not in use To avoid injury, always return the hooks to their stowed positions when not in use. Cargo net hooks Raise the hook to use. The cargo net can be hanged,

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored. I

© 2016-2024 Copyright www.lexunx.com