Preparation
Drive beltsDTC/circuit diagnosis
U0121 VDC CAN 2
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC U0121 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to DAS-
106, "DISTANCE SENSOR : DTC Logic".
CONSULT Display
DTC Detection Condition
Possible Cause
...
Compressor system symptoms
Symptom Table
Follow the next table and perform trouble diagnosis if there is a compressor
unit malfunction (internal noise,
insufficient cooling).
Symptom
Inspection method
Check list
Result
Action
Noise from compressor unit
When A/C is ON.
...
Under cover
Exploded View
Floor under cover (RH)
Engine under cover
Floor under cover (LH)
ENGINE UNDER COVER
ENGINE UNDER COVER : Removal and Installation
REMOVAL
Remove engine under cover clips.
Remove engine under cover.
INSTALLATION
Installation is in the reverse ord ...