Toyota Corolla Cross: Rear Door Left Speaker Cable Actuator Stuck (B1ACD71)
DESCRIPTION
This DTC is stored when the stereo component amplifier assembly detects an open in the rear speaker LH circuit by energizing the speaker line.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
DTC Output from |
Priority |
|---|---|---|---|---|---|
|
B1ACD71 |
Rear Door Left Speaker Cable Actuator Stuck |
Open in the rear speaker LH circuit is detected. (1 trip detection logic) |
|
Navigation System |
A |
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR SPEAKER ASSEMBLY LH) |
(a) Disconnect the I233 stereo component amplifier assembly connector.
(b) Disconnect the N4 rear Speaker Assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I233-9 (RL+) - N4-2 (+) |
Always |
Below 1 Ω |
|
I233-24 (RL-) - N4-1 (-) |
Always |
Below 1 Ω |
| NG | .gif)
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
.gif)
|
2. |
INSPECT REAR SPEAKER ASSEMBLY LH |
Click here .gif)
| OK |
|
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY |
| NG |
|
REPLACE REAR SPEAKER ASSEMBLY LH |
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TERMINALS OF ECU
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
(a) Disconnect the I55 and I253 radio and display receiver assembly
connectors.
(b) Measure the voltage and resistance according to the value(s)
in the table below.
Terminal No. (Symbol)
Terminal Description
