Engine General Information and Diagnosis: 1A-176
DTC P1676: CAN Communication (Reception Error for TCM (for A/T model))
S5JB0A1104060
Wiring Diagram
Refer to “DTC P1674: CAN Communication (Bus Off Error): ”.
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch turned OFF.
2) Turn ON ignition switch and clear DTC by using scan tool.
3) Start engine and run it for 1 min. or more.
4) Check DTC.
17
Check for short circuit of CAN communication line to
power circuit
1) Measure voltage at following connector terminals with
ignition switch turned ON.
• Between “E23-4” terminal of ECM connector and
vehicle body ground
• Between “E23-19” terminal of ECM connector and
vehicle body ground
• Between “E03-12” terminal of ABS hydraulic unit /
control module connector and vehicle body ground
• Between “E03-6” terminal of ABS hydraulic unit /
control module connector and vehicle body ground
• Between “G31-2” terminal of BCM connector and
vehicle body ground
• Between “G31-4” terminal of BCM connector and
vehicle body ground
Is each voltage 0 – 1 V?
Substitute a known-
good ABS hydraulic unit
/ control module and
recheck. If DTC is still
detected, substitute a
known-good ECM and
recheck.
Repair short to power
supply of CAN
communication line
circuit referring to
“Precaution for CAN
Communication
System: in Section 00”.
Step
Action
Yes
No
DTC detecting condition
Trouble area
Reception error of communication data for TCM is
detected for longer than specified time continuously.
(1 driving detection logic)
• ECM
• TCM (for A/T model)
• CAN communication line circuit
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