Diagnosis system (TCM)
U0100 lost communication (ECM A)Warning function symptoms
Symptom Table
WARNING FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check
"WORK FLOW". Refer to DLK-9, "Work Flow".
Check that vehicle is under the condition shown in "Conditions
of vehicle" before starting diagnosis, and
check each sy ...
Main line between DLC and HVAC circuit
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
ECM
A/C auto amp.
Check the continuity between the data link connector and the A/C ...
Intake sensor
Removal and Installation
REMOVAL
Remove the evaporator (2). Refer to HA-48, "EVAPORATOR:
Removal and Installation".
Release the intake sensor clip (A), then remove the intake sensor
(1).
CAUTION:
Mark the mounting position of the intake sensor.
Do not damage the evapora ...