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:

Poor Sound Quality in All Modes (Low Volume)
PROCEDURE 1. CHECK AUDIO SETTINGS (a) Set "Treble", "Mid" and "Bass" to the initial values and check that sound is normal. OK: Malfunction disappears. HINT: Sound quality adjustment measures vary according to the type of amplifie ...

Open in Outer Mirror Indicator(Slave) (C1AB5)
DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects an open in the blind spot monitor indicator RH. DTC Code DTC Detection Condition Trouble Area C1AB5 With the blind spot monitor main switch assembly (warning ...

Lost Communication with Cruise Control Front Distance Range Sensor (U0235)
DESCRIPTION The millimeter wave radar sensor assembly is connected to the skid control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2 via CAN communication. If communication with the skid control ECU (master cylinder solenoid)*1 or skid control ECU (brake act ...