Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Rear Door Right Speaker Cable Actuator Stuck (B1ACC71)

DESCRIPTION

This DTC is stored when the stereo component amplifier assembly detects an open in the rear speaker RH circuit by energizing the speaker line.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Priority

B1ACC71

Rear Door Right Speaker Cable Actuator Stuck

Open in the rear speaker RH circuit is detected.

(1 trip detection logic)

  • Harness or connector
  • Stereo component amplifier assembly
  • Rear speaker assembly RH

Navigation System

A

WIRING DIAGRAM

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR SPEAKER ASSEMBLY RH)

(a) Disconnect the I233 stereo component amplifier assembly connector.

(b) Disconnect the M4 Rear speaker assembly RH connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I233-11 (RR+) - M4-2 (+)

Always

Below 1 Ω

I233-26 (RR-) - M4-1 (-)

Always

Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

INSPECT REAR SPEAKER ASSEMBLY RH

Click here

OK

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

NG

REPLACE REAR SPEAKER ASSEMBLY RH

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