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

    See More:

    Toyota Tundra Service Manual > Forward Recognition Camera System: Terminals Of Ecu
    TERMINALS OF ECU NOTICE: DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed. Do not apply excessive force to the W9 forward recognition camera connector. CHECK FORWARD RECOGNITION CAM ...

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