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 the 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

Toyota Tundra Service Manual > Sfi System: Manifold Absolute Pressure / Barometric Pressure Circuit Low Input (P0107,P0108)
DESCRIPTION By a built-in sensor unit, the manifold absolute pressure sensor detects the intake manifold pressure as a voltage. DTC No. DTC Detection Condition Trouble Area P0107 The manifold absolute pressure sensor voltage is below 0.5 V for 0.5 seconds. (1 trip detection logic) Open or short in m ...

Toyota Tundra Owners Manual