C2312

HYBRID TRANSMISSION / TRANSAXLE: ELECTRONIC SHIFT LEVER SYSTEM: C2312: Power Source Control ECU Communication Line Malfunction

DTC C2312 - Power Source Control ECU Communication Line Malfunction

DESCRIPTION

The transmission control ECU receives power switch condition signals (OFF / ON (ACC) / ON (IG)) from the power source control ECU. The transmission control ECU outputs this DTC when it does not receive the signals.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (P SPLY OFF SIGNAL)
(a) Check the Data List for proper functioning of the transmission control ECU.

Transmission control ECU





OK:
ON is displayed.
NG -- REPLACE POWER SOURCE CONTROL ECU
OK -- REPLACE TRANSMISSION CONTROL ECU