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

Toyota Tundra Service Manual / Vehicle Interior / Air Conditioning / Air Conditioning System(for Manual 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 DTC (see page ).

Result

Result	Proceed to
DTC B1499/99 is output	A
DTC B1499/99 is not output	B

GO TO CAN COMMUNICATION SYSTEM

USE SIMULATION METHOD TO CHECK

BUS IC Communication Malfunction (B1497/97)

Blower Motor Circuit

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