Toyota Tacoma (2015-2018) Service Manual: Short in GPS Antenna (B15C0,B15C1)

Toyota Tacoma (2015-2018) Service Manual / Audio / Video / Audio And Visual System / Short in GPS Antenna (B15C0,B15C1)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation antenna assembly.

DTC No.	DTC Detection Condition	Trouble Area
B15C0	Navigation antenna error	Navigation antenna assembly Radio and display receiver assembly
B15C1	Error of the power source to the navigation antenna

CAUTION / NOTICE / HINT

NOTICE:

Check that the navigation antenna assembly cable is properly installed and does not have any sharp bends, pinching or loose connections before performing following inspection procedure (See page ).

PROCEDURE

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.

USE SIMULATION METHOD TO CHECK

2.	INSPECT NAVIGATION ANTENNA ASSEMBLY

(a) Remove the navigation antenna assembly (See page ).

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 - 1a	Always	50 to 500 Ω

Text in Illustration

*a	Component without harness connected (Navigation Antenna Assembly)

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

REPLACE NAVIGATION ANTENNA ASSEMBLY

AV Signal Stoppage (Low Battery Voltage) (B158F)

DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio and display receiver assembly dropping temporarily. DTC Code ...

Speaker Output Short (B15C3)

DESCRIPTION This DTC is stored when a malfunction occurs in the speakers. DTC No. DTC Detection Condition Trouble Area B15C3 A short is d ...

Other materials:

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Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART NOTICE: When removing any parts, turn the ignition switch off. HINT: If no abnormality is found when inspecting parts, check the skid control ECU and check for poor contact at ground points. When 2 or more DTCs are detected, perform each circuit insp ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the navigation system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2 ...