Toyota Tacoma manuals

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

Toyota Tacoma 2015-2018 Service Manual / Audio / Video / Audio And Visual System / Extension Module Malfunction (B1552,B158A,B15BA)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the stereo component tuner assembly.

DTC No.

DTC Detection Condition

Trouble Area

B1552

Internal malfunction of the navigation ECU

Stereo component tuner assembly

B158A

Screen noise adjustment fails

B15BA

When either of the following conditions 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 DTC

(a) Clear the DTCs (See page (b) Recheck for DTCs and check that no DTCs are output. ).

(b) Recheck for DTCs and check that no DTCs are output.

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE STEREO COMPONENT TUNER ASSEMBLY

HD Radio Tuner Malfunction (B1551,B158D,B15A0,B15B0,B15B3,B15B4,B15B7)
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USB Device 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 ...

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DIAGNOSIS SYSTEM 1. DESCRIPTION The ECU stores trouble codes when malfunctions occur. The diagnostic system allows for reading of the trouble codes from the DLC3. Use the Techstream to help diagnose and repair the problem. 2. CHECK DLC3 (a) Check the DLC3 (See page ). 3. INSPECT BATTERY VOLT ...

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