Diagnosis Procedure
- CHECK INSTALLATION OF TOUCH SENSOR LH
Check that touch sensor LH is installed normally.
Refer to Removal and Installation .
Is the inspection result normal?
YES
GO TO 2.
NO
Refer to Removal and Installation .
- CHECK TOUCH SENSOR MONITOR ITEM
- Select AUTOMATIC BACK DOOR CONTROL MODULE using CONSULT.
- Select TOUCH SEN LH in DATA MONITOR mode.
- Check that the function operates normally according to the following conditions.
Monitor item
Condition
Status
TOUCH SEN LH
Touch sensor LH
Other than below
OFF
Detect obstruction
ON
Is the inspection result normal?
YES
GO TO 8.
NO
GO TO 3.
- CHECK TOUCH SENSOR INPUT SIGNAL
- Turn ignition switch OFF.
- Check voltage between touch sensor LH harness connector and automatic back door control module harness connector.
(+)
(-)
Condition
Voltage
(Approx.)
Touch sensor LH
Automatic back door control module
Connector
Terminal
Connector
Terminal
D556
1
B55
13
Touch sensor LH
Detect obstruction
1.8 - 5 V
Other than above
2.72 - 7.27 V
Is the inspection result normal?
YES
GO TO 5.
NO
GO TO 4.
- CHECK TOUCH SENSOR LH CIRCUIT
- Disconnect automatic back door control module and touch sensor LH connector.
- Check continuity between automatic back door control module harness connector and touch sensor LH harness connector.
Automatic back door control module
Touch sensor LH
Continuity
Connector
Terminal
Connector
Terminal
B55
2
D556
1
Yes
- Check continuity between automatic back door control module harness connector and ground.
Automatic back door control module
Ground
Continuity
Connector
Terminal
B55
2
No
Is the inspection result normal?
YES
Replace automatic back door control module. Refer to Removal and Installation .
NO
Repair or replace harness.
- CHECK TOUCH SENSOR LH GROUND CIRCUIT 1
- Disconnect automatic back door control module and touch sensor LH connector.
- Check continuity between automatic back door control module harness connector and touch sensor LH harness connector.
Automatic back door control module
Touch sensor LH
Continuity
Connector
Terminal
Connector
Terminal
B55
13
D556
2
Yes
- Check continuity between automatic back door control module harness connector and ground.
Automatic back door control module
Ground
Continuity
Connector
Terminal
B55
13
No
Is the inspection result normal?
YES
GO TO 6.
NO
Repair or replace harness.
- CHECK TOUCH SENSOR LH GROUND CIRCUIT 2
- Connect automatic back door control module and touch sensor LH connector.
- Check voltage between automatic back door control module harness connector and ground.
(+)
(-)
Voltage
(Approx.)
Automatic back door control module
Connector
Terminal
B55
13
Ground
0.01 - 0 V
Is the inspection result normal?
YES
GO TO 7.
NO
Replace automatic back door control module. Refer to Removal and Installation .
- CHECK TOUCH SENSOR LH
Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 8.
NO
Replace touch sensor LH. Refer to Removal and Installation
- CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .
Inspection End.