DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerMemory function does not operate
Component Function Check
Symptom
Memory function does not operate normally.
The setting is not maintained. (It returns to the initial
condition.)
1.CHECK OPERATION
Set temperature control switch to 32C (90F).
Press the OFF switch.
Turn the ignition switch OFF.
Turn the ignitio ...
DLC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the data link connector for
damage, bend and loose connection
(connector side and harness side).
2.CHECK HARNESS FOR OP ...
TCM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
TCM
Harness connector F1
Harness con ...