WABCO OnSide MM16167, Руководство по обслуживанию, Страница: 36 / 52

36
Diagnostics, Troubleshooting and Testing
activated, and a moving vehicle is detected (indicated by the A-pillar OnSide BSD LED indicator), there may
be an issue with the turn signal relay or circuit. See Symptom Chart E.
SYMPTOM CHART E
NO WABCO OnGuard DISPLAY BLIND SPOT ZONE MOVING VEHICLE RECOGNITION WITH
RIGHT TURN SIGNAL ACTIVATION (RELAY SYSTEM)
NOTE: Prior to performing the diagnostic steps in the chart below:
- Verify that the OnSide BSD LED Indicator functions correctly (bulb check and moving vehicle
recognition).
- Check for active OnSide BSD DTCs.
- Perform a system visual inspection prior to diagnostics.
Step Action
Correct
Range
Yes No
1
Key on.
Disconnect the OnSide BSD
radar sensor harness connector.
Check resistance between BSD
radar sensor harness connector
pin 9 and ground.
Open circuit. Go to Step 2. If resistance is out of range, go to Step 3.
2
Key on.
Right turn signal on.
OnSide BSD radar
sensor harness connector
disconnected.
Check resistance between BSD
radar sensor harness connector
pin 9 and ground.
Continuous
on-o
ff
signal
alternating
between
continuity to
ground and
open circuit. Go to
Symptom
Chart A.
If resistance or performance is out of range,
go to Step 3.
3
OnSide BSD radar
sensor harness connector
disconnected.
Turn signal input relay
disconnected from the relay
socket.
Check the radar sensor
connector pin 9 to turn signal
input relay socket pin 5/87 circuit
for continuity, verify there are no
shorts, loose connections and
no sign of damage or corrosion.
Check all circuit wiring and
connections.
Circuit checks
good.
Go to Step 4.
Repair any circuit issues in accordance with
OEM repair guidelines.
For any failed WABCO circuit components
contact the WABCO Customer Care Center
at 855-228-3203 (United States and Canada);
001-800-889-1834 (Mexico); or email
wnacustomercare@wabco-auto.com.