Toyota Corolla Cross: Front Left Speaker Cable Actuator Stuck (B1ACB71)
DESCRIPTION
This DTC is stored when the stereo component amplifier assembly detects an open in the front speaker LH circuit by energizing the speaker line.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
DTC Output from |
Priority |
|---|---|---|---|---|---|
|
B1ACB71 |
Front Left Speaker Cable Actuator Stuck |
Open in the front speaker LH circuit is detected. (1 trip detection logic) |
|
Navigation System |
A |
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY LH, FRONT NO. 3 SPEAKER ASSEMBLY LH) |
(a) Disconnect the I233 stereo component amplifier assembly connector.
(b) Disconnect the I238 front No. 2 speaker assembly LH connector.
(c) Disconnect the I236 front No. 3 speaker assembly LH connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I233-13 (FL+) - I236-4 (+TW) |
Always |
Below 1 Ω |
|
I233-12 (TWL+) - I238-2 (TWL+) |
Always |
Below 1 Ω |
|
I233-28 (FL-) - I236-2 (-TW) |
Always |
Below 1 Ω |
|
I233-27 (TWL-) - I238-1 (TWL-) |
Always |
Below 1 Ω |
| NG | .gif)
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
.gif)
|
2. |
CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY LH - FRONT NO. 3 SPEAKER ASSEMBLY LH) |
(a) Disconnect the L1 front No. 1 speaker assembly LH connector.
(b) Disconnect the I236 front No. 3 speaker assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
L1-1 (+) - I236-3 (+) |
Always |
Below 1 Ω |
|
L1-2 (-) - I236-1 (-) |
Always |
Below 1 Ω |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY LH |
Click here .gif)
| NG |
|
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY LH |
|
|
4. |
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY LH |
Click here
| NG |
|
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY LH |
|
|
5. |
INSPECT FRONT NO. 3 SPEAKER ASSEMBLY LH |
Click here
| OK |
|
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY |
| NG |
|
REPLACE FRONT NO. 3 SPEAKER ASSEMBLY LH |
READ NEXT:
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 I
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 I
Sub Woofer Speaker Cable Actuator Stuck (B1ADF71)
DESCRIPTION
This DTC is stored when the stereo component amplifier assembly
detects an open in the sub-woofer speaker circuit by energizing the speaker line.
DTC No.
Detectio
SEE MORE:
Driving support system
information display
■ Driving support system
information
Select to display the operational
status of the following systems:
LTA (Lane Tracing Assist)
LDA (Lane Departure Alert)
PCS (Pre-Collision System)
Dynamic radar cruise control
RSA (Road Sign Assist) (if
equipped)
■ Navigation system-linked
display (if
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If
multiple suspected areas are listed, the potential causes of the symptoms are
listed in order of probability in the "Suspected Area" column of the table.
Check each symptom by
