Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Extension Module Malfunction (B1552,B158A,B15BA)

Toyota Tacoma 2015-2018 Service Manual / Navigation / Multi Info Display / Navigation System / Extension Module Malfunction (B1552,B158A,B15BA)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the extension module.

DTC Code

DTC Detection Condition

Trouble Area

B1552

Internal malfunction of the extension module

Stereo component tuner assembly

B158A

Screen noise adjustment fails

B15BA

When either of the conditions below is met:

  • Internal IC malfunction
  • Tuner malfunction

CAUTION / NOTICE / HINT

NOTICE:

After replacing the stereo component tuner assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary.

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs (See page (b) Check for DTCs (See page  ). ).

(b) Check for DTCs (See page OK: ).

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE STEREO COMPONENT TUNER ASSEMBLY

HD Radio Tuner Malfunction (B1551,B15A0,B15AD,B15B0,B15B3,B15B4,B15B7)
DESCRIPTION These DTCs are stored when a malfunction occurs in the navigation receiver assembly. DTC No. DTC Detection Condition Trouble Area B1551 ...

USB Media Malfunction (B1585)
DESCRIPTION This DTC is stored when a malfunction occurs in a connected device. DTC No. DTC Detection Condition Trouble Area B1585 USB De ...

Other materials:

Installation
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Pressure Sensor Circuit (B1423)
DESCRIPTION This DTC is stored if refrigerant pressure on the high pressure side is extremely low (176 kPa (1.8 kgf/cm2, 26 psi) or less) or extremely high (3140 kPa (32.0 kgf/cm2, 455 psi) or more). The air conditioner pressure sensor, which is installed on the pipe on the high pressure side ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE If a normal code is displayed during the DTC check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page. NOTICE: When replacing the skid control ECU (master cylin ...

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