Lexus NX: System Information not Received (C13AE)

Lexus NX Service Manual / Brake / Parking Brake / Electric Parking Brake System / System Information not Received (C13AE)

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

C13AE

System Information not Received

Both of following conditions are met:

  • Power switch is on (IG)
  • After parking brake ECU assembly is replaced, when power switch is first turned on (IG), system cannot communicate with hybrid vehicle control ECU for approx. 4 seconds
  • Hybrid vehicle control ECU
  • CAN communication system
  • Parking brake ECU assembly

Yes

An electric parking brake system malfunction is displayed on the multi-information display.

CAUTION / NOTICE / HINT

NOTICE:

When replacing the parking brake ECU assembly, operate the electric parking brake switch (integration control and panel assembly), as the parking brake indicator light (red) blinks when the power switch is first turned on (IG).

PROCEDURE

1.

CHECK DTC

(a) Turn the power switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the power switch on (IG) and the Techstream on.

(d) Check for DTC.

Click here

Chassis > Electric Parking Brake > Trouble Codes

Result

Proceed to

DTC C13AE and a CAN communication malfunction DTC are output at the same time

A

DTC C13AE is output and the master warning light illuminates

B

Only DTC C13AE is output

C

No outputs

D

A

GO TO CAN COMMUNICATION SYSTEM

B

GO TO HYBRID CONTROL SYSTEM

C

REPLACE PARKING BRAKE ECU ASSEMBLY

D

USE SIMULATION METHOD TO CHECK

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DESCRIPTION The parking brake ECU assembly receives shift position information from the hybrid vehicle control ECU via CAN communication. Also, the parking brake ECU assembly receives wheel speed info

SEE MORE:

 Removal

REMOVAL PROCEDURE 1. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY Click here 2. REMOVE REAR DECK FLOOR BOX Click here 3. REMOVE DECK FLOOR BOX LH Click here 4. PRECAUTION CAUTION: Be sure to read Precoution thoroughly before serving. Click here NOTICE: After turning the power switch off, there may b

 Parts Location

PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY - SKID CONTROL ECU *3 MILLIMETER WAVE RADAR SENSOR ASSEMBLY - - ILLUSTRATION for Power Tilt and Power Telescopic *1 STEERING PAD SWITCH ASSEMBLY - LTA/LDA MAIN SWITCH

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