Problem Symptoms Table

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

COMMUNICATION STOP MODE TABLE

Complete "CHECK CAN BUS LINE" (see CHECK CAN BUS LINE ) to confirm that there is no malfunction in the CAN bus line. Select "BUS CHECK" on the hand-held tester via the CAN VIM (see DIAGNOSIS SYSTEM ).
Check the communication stop mode of the ECUs or sensors not displayed among the following: "ENGINE", "ABS/VSC/TRAC", "YAW/DECELERAT" or "STEERING SENSOR".

NOTE:

If 2 or more ECUs or sensors are not displayed on the hand-held tester via the CAN VIM, perform troubleshooting for the communication stop mode of each undisplayed ECU or sensor. (Either side of the CAN sub bus lines may be open (see CHECK FOR AN OPEN IN ONE SIDE OF THE CAN SUB BUS LINE (ACCESS CAB, STANDARD CAB) , CHECK FOR AN OPEN IN ONE SIDE OF THE CAN SUB BUS LINE (DOUBLE CAB) .))
*1: "ENGINE" is not displayed on the hand-held tester via the CAN VIM if no power is supplied to the ECM.

PROBLEM SYMPTOMS REFERENCE

Symptom	Inspection Item	See page and parts to be replaced
"ENGINE" is not displayed on the hand-held tester via CAN VIM.	ECM Communication Stop Mode	Replace ECM (*1)
"ABS/VSC/TRAC" is not displayed on the hand-held tester via CAN VIM.	Skid Control ECU Communication Stop Mode	SKID CONTROL ECU COMMUNICATION STOP MODE
"STEERING SENSOR" is not displayed on the hand-held tester via CAN VIM.	Steering Angle Sensor Communication Stop Mode	Steering Angle Sensor Communication Stop Mode
"YAW/DECELERAT" is not displayed on the hand-held tester via CAN VIM.	Yaw Rate And Deceleration Sensor Communication Stop Mode	Yaw Rate and Deceleration Sensor Communication Stop Mode

DTC COMBINATION TABLE
Perform troubleshooting according to the combination of DTCs output.

Fig 1: DTC Combination Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:
- Previous CAN communication system DTCs may be the cause if CAN communication system DTCs are output and all ECUs and sensors connected to the CAN communication system are displayed on the hand-held tester's "BUS CHECK" screen via the CAN VIM.
- U0100/65, U0073/94, U0123/62, U0124/95 and U0126/63 are the DTCs in the CAN communication system.
- *2: U0100/65 is also output if no power is supplied to the ECM.
- The above table shows combinations of these DTCs.
- o: DTCs that are being output.
- -: DTCs that are not being output.