Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: 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:

Inspection
INSPECTION PROCEDURE 1. INSPECT TRANSMISSION WIRE (a) Measure the resistance according to the value(s) in the table below. Text in Illustration *a Component without harness connected (Transmission Wire) Standard Resistance: ...

Transfer L4 Position Switch Circuit (C1268)
DESCRIPTION A-TRAC is activated if wheel skid is detected while the transfer is in the L4 position. DTC Code DTC Detecting Condition Trouble Areas C1268 L4 detection switch signal input to skid control ECU (master cylinder solenoid ...

Adjustment
ADJUSTMENT PROCEDURE 1. PREPARE VEHICLE FOR FOG LIGHT AIMING ADJUSTMENT (a) Prepare the vehicle: HINT: Ensure that there is no damage or deformation to the body around the fog lights. Fill the fuel tank. Make sure that the oil is filled to the specified level. Make sure ...

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