Toyota Tundra Service Manual: 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)

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