DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECU stores trouble codes when malfunctions occur.
The diagnostic system allows for reading of the trouble codes from the DLC3 using the Techstream.
Use the Techstream to help diagnose and repair the problem.
2. CHECK DLC3
(a) Check the DLC3 (See page
).
Problem Symptoms Table
Terminals Of EcuGlossary Of Sae And Toyota Terms
GLOSSARY OF SAE AND TOYOTA TERMS
This glossary lists all SAE-J1930 terms and abbreviations used in this manual
in compliance with SAE recommendations, as well as their TOYOTA equivalents.
SAE
Abbreviation
SAE Term
TOYOTA ...
Power Back Door Warning System does not Operate
DESCRIPTION
When the power back door warning system does not operate, one of the following
may be malfunctioning: 1) power back door warning buzzer circuit, 2) wireless door
lock control system or 3) power back door ECU.
WIRING DIAGRAM
CAUTION / NOTIC ...
Transponder Chip Malfunction (B2793)
DESCRIPTION
This DTC is stored when a malfunction is found in the key during key code registration
or a key code is not registered normally. Replace the key if the key code registration
is not performed normally and this DTC is detected.
DTC N ...