Toyota Tundra Service Manual: Short in GPS Antenna (B15C0,B15C1)

Toyota Tundra Service Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation System / Short in GPS Antenna (B15C0,B15C1)

DESCRIPTION

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

DTC Code

DTC Detection Condition

Trouble Area

B15C0

Navigation antenna error
  • Navigation antenna assembly
  • Navigation receiver assembly

B15C1

Error of the power source to the navigation antenna

PROCEDURE

1.

CHECK CONNECTION OF NAVIGATION ANTENNA ASSEMBLY

(a) Check if the navigation antenna assembly is securely connected to the navigation receiver assembly.

OK:

Navigation antenna assembly is securely connected.

NG

SECURELY CONNECT NAVIGATION ANTENNA ASSEMBLY
OK

2.

CHECK NAVIGATION ANTENNA ASSEMBLY

(a) Replace the navigation antenna assembly with a known good one (See page ).

(b) Check for DTCs (See page ).

OK:

No DTCs are output.

Result

Result

Proceed to

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C
A

END (NAVIGATION ANTENNA ASSEMBLY IS DEFECTIVE)
B

REPLACE NAVIGATION RECEIVER ASSEMBLY

C

REPLACE NAVIGATION RECEIVER ASSEMBLY

    Stereo Component Amplifier Malfunction (B15A3)

    Speed Signal Malfunction (B15C2)

    See More:

    Toyota Tundra Service Manual > Navigation System: Steering Pad Switch Circuit
    DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the navigation receiver assembly. If there is an open in the circuit, the audio system cannot be operated using the steering pad switch assembly. If there is a short in the circuit, the same condition as when ...

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