Hyundai Venue: Stop Lamp Switch / Repair procedures
1. |
Turn ignition switch OFF and disconnect the negative (-) battery cable.
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2. |
Remove the lower crash pad.
(Refer to Body - "Crash Pad")
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3. |
Confirm the gap between stop lamp switch and bracket.
Stop lamp clearance (A) : 1.0 - 2.0 mm (0.04 - 0.08 in.)
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4. |
If the gap between stop lamp switch and bracket is not 1.0-2.0mm (0.04-0.08in),
check the mounting clip and other part of around stop lamp.
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5. |
If there is normal, remove the stop lamp switch and then install again.
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1. Fuse Inspection
Mount the test fuse to the switch fuse and relay fuse part to confirm a normal
joint fit.
2. GDS Data Analysis
1. |
Analyze GDS data and confirm if there is anything wrong with the stop
lamp switch.
(1) |
Connect the GDS to the self-diagnosis connector.
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(2) |
Turn the spark switch on
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(3) |
Step on the brake pedal.
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(4) |
Inspect the "brake switch" category that displays the "sensor
data" GDS.
Normal waveform : The pressure sensor signal value will
change according to the brake ON/OFF switch.
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3. Inspection of Connector By Each Part
Check to see whether or not each connector has been damaged, or terminal surge,
or incomplete connection has taken place
[Engine Room Junction Box]
[ABS / VDC Control Module]
4. Inspect The Stop Lamp Circuit
Connect probe to each terminal wire and confirm oscilloscope waveform.
[Stop Lamp Switch Input / Output]
[Oscilloscope Waveform Screen]
1. |
Turn ignition switch OFF and disconnect the negative (-) battery cable.
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2. |
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
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3. |
Disconnect the stop lamp switch connector (A).
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4. |
Pull the locking plate (A) as indicated by the arrow.
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5. |
Turn stop lamp switch 45° counterclockwise and remove it.
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6. |
Inspect a removed stop lamp switch along the below procedures.
(1) |
Confirm a normal connection with terminal part
–
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A confirmation can be made to see if the connector has
been secured properly and if a connection mark is present.
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(2) |
Perform the inspection of parts resistance
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1. |
Fix the brake pedal arm and insert fully the stop lamp switch as hiding
contact part.
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2. |
After inserting, turn the stop switch (A) 45° clockwise, and then assemble
locking plate by pushing.
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3. |
Confirm the gap between stop lamp switch and bracket.
Stop lamp clearance (A) : 1.0 - 2.0 mm (0.04 - 0.08 in.)
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•
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If the gap between stop lamp switch and bracket is not
1.0-2.0mm (0.04-0.08in), perform the above process again.
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4. |
Connect the stop lamp switch connector.
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5. |
Install the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
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Troubleshooting
1.
Part diagnosis
Items
Cause
Symptom
Switch fuse
Faulty fuse connection, Damaged fuse
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DTC Code : P0504
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Symptom : Shifting gear trouble, Starting failure, Cruise
control function cancelation trouble, EPB function cancelation
trouble, Stop lamp lighting trouble, ESP OFF light illuminated...
Other information:
..
Diagnosis with Diagnostic tool
1.
In the body electrical system, failure can be quickly diagnosed by using
the vehicle diagnostic system (Diagnostic tool).
The diagnostic system (Diagnostic tool) provides the following information...
Categories
Seat belt warning light (for driver’s seat)
As a reminder to the driver, the seat belt warning light will illuminate for
approximately 6 seconds each time you place the ignition switch to the ON position
regardless of belt fastening. However, if the seat belt is unfasted, a warning chime
will sound for approximately 6 seconds.
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