Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: 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 ).

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

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)

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

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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Ptc Heater Relay
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Parking Brake Switch Circuit
DESCRIPTION This circuit is from the parking brake switch assembly to the radio and display receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK VEHICLE SIGNAL (a) Display the "Vehicle Signal Check Mode" screen (See page ). ...

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