Key information
Smart key systemECM Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
ECM Communication Stop Mode
"Engine" and "ECT" are not displayed on "CAN Bus Check" screen
of the Techs ...
Check CAN Bus Line for Short to GND
DESCRIPTION
There may be a short circuit between the CAN bus main wire and GND when there
is no resistance between terminals 6 (CANH) and 4 (CG) or 14 (CANL) and 4 (CG) of
the DLC3.
Symptom
Trouble Area
No resistanc ...
Speed Signal Circuit
DESCRIPTION
The headlight leveling ECU assembly receives the vehicle speed signal from the
combination meter assembly.
HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the
combination meter. The signal is changed to a p ...