Toyota Tundra Service Manual: Multiplex Communication Circuit (B1499/99)

Toyota Tundra Service Manual / Vehicle Interior / Air Conditioning / Air Conditioning System(for Automatic Air Conditioning System) / Multiplex Communication Circuit (B1499/99)

DESCRIPTION

This DTC outputs when CAN communication error is occurred.

DTC Code

DTC Detection Condition

Trouble Area

B1499/99

Open in CAN communication circuit

CAN communication system

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTC (see page ).

(b) Check for the DTC (see page ).

Result

Result

Proceed to

DTC B1499/99 is output

A

DTC B1499/99 is not output

B
A

GO TO CAN COMMUNICATION SYSTEM

B

USE SIMULATION METHOD TO CHECK

    BUS IC Communication Malfunction (B1497/97)

    Blower Motor Circuit

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