Engine General Information and Diagnosis: 1A-35
DTC P1676: CAN Communication (Reception Error for TCM (for A/T model))
S5JB0E1104065
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.
DTC Troubleshooting
NOTE
Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions For DTC Troubleshooting: in related manual”.
14 CAN communication circuit check
1) Disconnect connectors from all control modules (ECM,
TCM (if equipped), BCM, ABS or ESP® control module,
4WD control module (if equipped), keyless start control
module (if equipped), combination meter, steering angle
sensor (if equipped)) with ignition switch turned OFF.
2) Check that CAN communication circuit is as follows.
• All wire harness resistance of CAN communication
circuit is less than 1 Ω between each control module.
• Insulation resistance between CAN communication
circuit wires is infinity at each control module
connector.
• Insulation resistance between each CAN
communication circuit wire and vehicle body ground is
infinity at each control module connector.
• Circuit voltage of CAN communication circuit is 0 V
with ignition switch turned ON.
Are they in good condition?
Go to Step 15. Repair or replace
defective CAN
communication circuit.
15 DTC check
1) Connect connectors to ECM with ignition switch turned
OFF.
2) Check ECM for DTC.
Is there DTC P1674?
Substitute a known-
good ECM and recheck.
Check ABS or ESP®
control module power
and ground circuits. If
circuits are OK,
substitute a known-
good ABS or ESP® and
recheck.
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
Step Action Yes No
1 Was “Engine and Emission Control System Check”
performed?
Go to Step 2. Go to “Engine and
Emission Control
System Check: in
related manual”.
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