Lexus ES manuals

Lexus ES: 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.

Blind Spot Monitor Master

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AB8

Destination Information Undefined

The blind spot monitor sensor cannot communicate with the main body ECU

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AB8

Destination Information Undefined

The blind spot monitor sensor cannot communicate with the main body ECU

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

CAUTION / NOTICE / HINT

NOTICE:

  • When checking for DTCs, make sure that the blind spot monitor system is turned on.
  • Before replacing the main body ECU (multiplex network body ECU), refer to Registration.

    Click here

PROCEDURE

1.

CHECK DTC

(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) with a new or known good one.

Click here

NEXT

3.

RECHECK DTC

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

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

Result

Proceed to

No DTCs are output

A

DTC C1AB8 is output ("Blind Spot Monitor Master")

B

DTC C1AB8 is output ("Blind Spot Monitor Slave")

C

A

END

B

REPLACE BLIND SPOT MONITOR SENSOR RH

C

REPLACE BLIND SPOT MONITOR SENSOR LH

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 RH. 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 LH. HINT: This DTC is always stored after replacing a blind spot monitor sensor. The

 Short to GND or Open in Buzzer (C1ABE)

DESCRIPTION DTC C1ABE is stored when the blind spot monitor sensor LH detects a short to ground or open in the RCTA buzzer (blind spot monitor buzzer) circuit. DTC No. Detection Item DTC

SEE MORE:

 Freeze Frame Data

FREEZE FRAME DATA CHECK FREEZE FRAME DATA HINT: Whenever an active noise control system DTC is stored, the stereo component equalizer assembly stores the current vehicle state as freeze frame data. (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on.

 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for H

© 2016-2024 Copyright www.lexguide.net