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.

USE SIMULATION METHOD TO CHECK

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:

System Description
SYSTEM DESCRIPTION 1. FRONT SEAT HEATER (a) By operating the seat heater switch on the air conditioning control assembly, the temperature can be controlled within the range of 36 to 42.2°C (96 to 108°F). (b) The on/off status and heater level of each seat heater are indicated by the respect ...

Clutch Switch Circuit
DESCRIPTION Clutch switch circuit inspection is necessary for manual transmission vehicles. When the clutch pedal is released, the ECM receives the positive (+) battery voltage through the ECU-IG NO. 2 fuse and ignition switch. While the clutch pedal is depressed, the clutch switch assembly se ...

Installation
INSTALLATION PROCEDURE 1. INSTALL CLUTCH PEDAL NO.1 CUSHION (a) Install the clutch pedal No. 1 cushion to the clutch pedal sub-assembly. 2. INSTALL CLUTCH PEDAL SHAFT COLLAR (a) Apply MP grease to the clutch pedal shaft collar. Text in Illustration MP grease (b) ...