INDICATOR LIGHT DOES NOT ILLUMINATE [PARKING SENSOR]
id0903z4829600
Description
Possible malfunction
Diagnostic Procedure
Step |
Inspection |
Action |
|
---|---|---|---|
1
|
INSPECT IF MALFUNCTION CAUSE IS OPEN CIRCUIT IN PARKING SENSOR SWITCH/INDICATOR SIGNAL WIRING HARNESS
• Switch the ignition off (LOCK).
• Disconnect the negative battery cable.
• Disconnect the connectors of the climate control unit and parking sensor control module.
• Inspect for continuity between the following wiring harnesses:
• Is there continuity?
|
Yes
|
Go to the next step.
|
No
|
Repair for an open circuit in the wiring harness.
|
||
2
|
INSPECT IF MALFUNCTION CAUSE IS SHORT TO GROUND IN PARKING SENSOR SWITCH/INDICATOR SIGNAL WIRING HARNESS
• Inspect for continuity between the following wiring harnesses:
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness.
|
No
|
Go to the next step.
|
||
3
|
INSPECT PARKING SENSOR SWITCH/INDICATOR
• Reconnect all the disconnected connectors.
• Connect the negative battery cable.
• Switch the ignition ON (engine off or on).
• Measure the voltages at parking sensor control module terminals S and V when the parking sensor switch is turned off (indicator turns off).
• Is terminal S battery voltage and is terminal V approx. 5 V?
|
Yes
|
Replace the climate control unit.
|
No
|
Replace the parking sensor control module.
|