id0902e8950900
| DESCRIPTION |
Erratic signal from climate control unit |
|---|---|
|
DETECTION CONDITION
|
• Correct data cannot be received from climate control unit.
|
|
POSSIBLE CAUSE
|
• Climate control unit DTC is stored
• Climate control unit malfunction
• Instrument cluster malfunction
|
Diagnostic Procedure
| STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
1
|
CONFIRM CLIMATE CONTROL UNIT DTC
• Perform the DTC inspection to confirm the climate control unit DTC using the M-MDS. (See
DTC DISPLAY [WATER HEATER SYSTEM].) (See
DTC DISPLAY [FULL-AUTO AIR CONDITIONER].)
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
|
No
|
Go to the next step.
|
||
|
2
|
CONFIRM INSTRUMENT CLUSTER DTC
• Clear the DTC from the instrument cluster using the M-MDS. (See
CLEARING DTC [INSTRUMENT CLUSTER].)
• Turn the ignition switch to the ON position and wait for
25 s or more.
• Drive the vehicle at speed of
30 km/h {19 mph} or more with
500 rpm or more.
• Perform the “DTC INSPECTION” to confirm the instrument cluster DTC using the M-MDS. (See
DTC INSPECTION [INSTRUMENT CLUSTER].)
• Is the same DTC present?
|
Yes
|
Replace the climate control unit, then go to the next step.
|
|
No
|
Go to Step 4.
|
||
|
3
|
VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the instrument cluster using the M-MDS. (See
CLEARING DTC [INSTRUMENT CLUSTER].)
• Turn the ignition switch to the ON position and wait for
25 s or more.
• Drive the vehicle at speed of
30 km/h {19 mph} or more with
500 rpm or more.
• Perform the “DTC INSPECTION” to confirm the instrument cluster DTC using the M-MDS. (See
DTC INSPECTION [INSTRUMENT CLUSTER].)
• Is the same DTC present?
|
Yes
|
Replace the instrument cluster, then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
4
|
VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
|
No
|
DTC troubleshooting completed.
|
||