Lexus NX: ECU Malfunction (B1362)
Lexus NX Service Manual / Audio & Visual & Telematics / Audio / Video / Asc System / ECU Malfunction (B1362)
DESCRIPTION
This DTC is stored when the stereo component equalizer assembly detects an internal malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B1362 | ECU Malfunction | An internal malfunction occurs in the stereo component equalizer assembly | Stereo component equalizer assembly |
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
Click here .gif)
(b) Check for DTCs.
Click here
OK:
DTC B1362 is not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE STEREO COMPONENT EQUALIZER ASSEMBLY |
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Main Switch Circuit
DESCRIPTION The stereo component equalizer assembly detects vehicle sound switch signals. The ASC system can be turned on and off by operating the vehicle sound switch. WIRING DIAGRAM CAUTION / NOTIC
Power Source Circuit
DESCRIPTION This circuit is the power source circuit for the stereo component equalizer assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system
SEE MORE:
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. REMOVE ROOF HEADLINING ASSEMBLY Click here 2. REMOVE ROOF RACK ASSEMBLY (a) Remove the 5 nuts and roof rack assembly.
Removal
REMOVAL PROCEDURE 1. DISCONNECT WIRE HARNESS Click here 2. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR Click here 3. DISCONNECT INVERTER RESERVE TANK ASSEMBLY Click here 4. REMOVE AIR FUEL RATIO SENSOR (a) Remove the radiator hose clamp as shown in the illustration. Push (b) Disco
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