CC(H4DOTC 2.5)-28
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
7 CHECK TCM
1) Connect the harness connector to TCM.
2) Lift-up the vehicle and support with rigid
racks.
3) Drive the vehicle at speed greater than 10
km/h (6 MPH).
Warning:
Be careful not to be caught up by the run-
ning wheels.
4) Measure the voltage between TCM har-
ness connector terminal and chassis ground.
Connector & terminal
(B56) No. 1 (+) — Chassis ground (
−
):
Is the voltage 1 V ← → 5 V? Check the poor
contact of ECM
harness connec-
tor.
Check the poor
contact of TCM
harness connec-
tor.
Step Check Yes No
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