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Component Description
NHEC0361
The malfunction information related to A/T (Automatic Transmission) is transferred through the line (circuit)
from TCM (Transmission control module) to ECM. Therefore, be sure to erase the malfunction information such
as DTC not only in TCM (Transmission control module) but also ECM after the A/T related repair.
On Board Diagnosis Logic
NHEC0363
Malfunction is detected when an incorrect signal from TCM (Trans-
mission control module) is sent to ECM.
Possible Cause
NHEC0594
I Harness or connectors
[The communication line circuit between ECM and TCM
(Transmission control module) is open or shorted.]
I Dead (Weak) battery
I TCM (Transmission control module)
SEF058Y
DTC Confirmation Procedure
NHEC0364
NOTE:
If “DTC Confirmation Procedure” has been previously conducted,
always turn ignition switch “OFF” and wait at least 10 seconds
before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that bat-
tery voltage is more than 10.5V at idle.
WITH CONSULT-II
NHEC0364S01
1) Turn ignition switch “ON”.
2) Select “DATA MONITOR” mode with CONSULT-II.
3) Start engine and wait at least 40 seconds.
4) If 1st trip DTC is detected, go to “Diagnostic Procedure”,
EC-596.
WITH GST
NHEC0364S02
Follow the procedure “WITH CONSULT-II” above.
DTC P1605 A/T DIAGNOSIS COMMUNICATION LINE
Component Description
EC-594
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