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 |
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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
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DTC No.
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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.
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SEE MORE:
Reassembly
REASSEMBLY CAUTION / NOTICE / HINT COMPONENTS (REASSEMBLY)
Procedure Part Name Code
1 REAR SIDE MARKER LIGHT BULB
81550S -
- -
2 REAR SIDE MARKER LIGHT SOCKET
- -
- -
*A for Bulb Type Clearance Light
- -
*1
Speaker Output Short Actuator Stuck (B15C371)
DESCRIPTION
This DTC is stored when the radio and display receiver assembly*1
or stereo component amplifier assembly*2 detects a short in a speaker circuit.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
DTC Output from
