Dtc B1552 Extension Module Malfunction

Audio Visual Telematics. Corolla. Zre142 Aze141
Navigation Multi Info Display. Corolla. Zre142 Aze141

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC

DTC B1552 Extension Module Malfunction

DTC B158A Extension Module Noise Adjustment Malfunction


DESCRIPTION

These DTCs are stored when a malfunction occurs in the extension module.

DTC No.
DTC Detection Condition
Trouble Area
B1552
Internal malfunction of the extension module
Extension module
B158A
Screen noise adjustment fails

INSPECTION PROCEDURE

1.CHECK DTC

  1. Clear the DTCs (COROLLA_ZRE142 RM0000011BU0JUX.html).

  1. Recheck for DTCs and check if the same DTC is output again.

    OK:
    No DTCs are output.


NG
REPLACE EXTENSION MODULE (COROLLA_ZRE142 RM000002XAJ01FX.html)
OK

USE SIMULATION METHOD TO CHECK (COROLLA_ZRE142 RM000000UZ108OX.html)