Toyota Tundra Service Manual: 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 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 > Air Conditioning System(for Automatic Air Conditioning System): Terminals Of Ecu
    TERMINALS OF ECU 1. CHECK AIR CONDITIONING AMPLIFIER (a) Measure the voltage and resistance according to the value(s) in the table below. HINT: Check from the rear of the connector with it connected to the air conditioning amplifier. Terminal No. (Symbols) Wiring Color Terminal Description Condition ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0345