Step
8
Communication check between scan tool and ECM
1) Turn ignition switch to OFF position.
2) Connect ECM, BCM, ABS control module and
combination meter connectors.
3) Check communication between scan tool and ECM by
DTC check in ECM.
Is it possible to check DTC in ECM?
9
Communication check between scan tool and TCM
1) Turn ignition switch to OFF position.
2) Connect TCM connectors.
3) Check communication between scan tool and TCM by
DTC check in TCM.
Is it possible to check DTC in TCM?
10 Internal circuit check in ECM
1) Turn ignition switch to OFF position and then disconnect
negative (–) cable at battery.
2) Disconnect TCM connectors.
3) Measure resistance between the followings
• Between CAN High terminal on DLC and "C06-17"
terminal on TCM connector
• Between CAN Low terminal on DLC and "C06-7"
terminal on TCM connector
Is each resistance 0 – 1
Action
Ω
?
Engine General Information and Diagnosis:
Yes
A/T model: Go to Step
9.
M/T model: Substitute a
known-good ECM and
recheck.
Identify malfunction
control module by
performing Step 13
through Step 14 of
"Troubleshooting for
CAN-DTC".
Substitute a known-
good TCM and recheck.
1A-31
No
Go to Step 4 through
Step 11 of
"Troubleshooting for
CAN-DTC".
Go to Step 10.
Substitute a known-
good ECM and recheck.