Audi A4. Body repair manual - part 44
Ultrasonic interior monitoring On Board Diagnostic (OBD)
V.A.G 1551 Scan Tool display
Possible cause
Corrective action
01403 1)
Glass break sensors rear
A short circuit or an open circuit occurs in the
- Erase DTC memory
harness connectors or in the wire connections
(sensor for broken window glass rear
- Repair wiring according to
between glass break sensors and rear window
left -G183-; sensor for broken window
wiring diagram
heater to control module for ultra-sound sensors
glass rear right -G184- and conductor
-J347- when setting ATS.
loop for rear window defroster)
Electrical Wiring Diagrams,
A conductor loop of one of the side windows or
Troubleshooting & Component
the rear window is interrupted during setting of
Locations binder
the ATS
- Check conductor loop in
side windows and replace
side window if necessary
Repair Manual, Body
Exterior; Repair Group. 64;
Side window Avant, removing
and installing
- Check conductor loop in
rear window and replace rear
window if necessary
Repair Manual, Body
Exterior; Repair Group. 64;
Rear window Avant, removing
and installing
65535
Ultrasonic interior monitoring On Board Diagnostic (OBD)
- Replace control module.
1) Only for Avant
Ultrasonic interior monitoring On Board Diagnostic (OBD)
Interior monitoring function test
- Open side window approx. 10 cm.
- Switch ignition off and remove ignition key.
- Close all doors.
- Lock vehicle, which will set the anti-theft warning
system and the interior monitoring.
- Wait 30 seconds until all warning lamps in door
trim blink slowly in 2 second intervals (f = 0,5
Hz).
- Insert hand through window opening and hold in
proximity of sensor.
- If the interior monitoring is OK, alarm will be
triggered. An entry into DTC memory of control
module for central locking "1370; alarm via
interior monitoring" as well as to ultra-sound
control module "alarm via sensor for ATS, fl, fr,
rl, rr".
- Switch off alarm by unlocking vehicle.
- DTC must be checked and erased in DTC
Ultrasonic interior monitoring On Board Diagnostic (OBD)
Ultrasonic interior monitoring On Board Diagnostic (OBD)
Check Control Module Versions (scan
tool function 01)
- Press buttons -0- and -1- to select "Check
Control Module Versions" function 01.
Rapid data transfer
Q
Indicated on display
01 - Check Control Module Versions
- Press -Q- button to confirm input.
4B0951173 Interior monitoring.
Indicated on display
D00
Coding 00101
WSC 06812
Explanation of display
4B0951173: Part No. of control module
Interior monitoring: system identification and variation
D00: software version
Coding 00101: coding page 01-131
WSC 06812: dealership number
- The program can be returned to the starting point by pressing the
button.
Rapid data transfer
HELP
Indicated on display
Select function XX
Ultrasonic interior monitoring On Board Diagnostic (OBD)
Output Diagnostic Test Mode (scan tool
function 03)
Notes:
The Output Diagnostic Test Mode may only be
performed with the vehicle stationary and the
engine not running.
Any malfunctions identified by the Output
Diagnostic Test Mode must be checked and
repaired.
Performing output Diagnostic Test Mode
(DTM):
Rapid data transfer HELPSelect function XX
Indicated on display:
- Press buttons -0- and -3- to select "Output Diagnostic Test Mode
(DTM)" function 03.
Rapid data transfer
Q03 - Output Diagnostic Test Mode
Indicated on display:
- Press -Q- button to confirm input.
The output DTM activates the following elements in sequence:
Warning lamps next to door locking button on driver-side or
passenger-side door
Ultrasonic interior monitoring On Board Diagnostic (OBD)
Wiring for voltage supply to the ultra-sound sensors
Wiring for pulse signal to the ultra-sound sensors
Ultrasonic interior monitoring On Board Diagnostic (OBD)
Note:
No "ATS alarm" can be triggered via this output
Diagnostic Test Mode (DTM). To trigger a "ATS
alarm", perform the actuator test via the control
module for central locking page 01-91 or a
function test
page 01-122 .
Ultrasonic interior monitoring On Board Diagnostic (OBD)
Carrying out "Output Diagnostic Test Mode"
function 03
- Press buttons -0- and -3- to select "Output
Diagnostic Test Mode" function 03.
Rapid data transfer
Q
Indicated on display
03 - Output Diagnostic Test Mode
- Press -Q- button to confirm input.
Output Diagnostic Test Mode
Indicated on display
Alarm System Indicator Light -K95
Warning lamps next to the door locking button at the driver-side or
passenger-side door are activated.
- Press button.
Output Diagnostic Test Mode
Indicated on display
Create active alarm
The control module sends an alarm signal to the anti-theft system control
module for a signal test page 01-128 .
- Press button.
Output Diagnostic Test Mode
Indicated on display
Voltage supply wire
The control module sends a constant voltage of 8 V to test the wiring
page 01-129 .
- Press button.
Ultrasonic interior monitoring On Board Diagnostic (OBD)
Output Diagnostic Test Mode
Indicated on display
Wire for cycle signal
The control module sends a constant voltage of 5 V to test the wiring
page 01-130 .
- Press button.
Output Diagnostic Test Mode
Indicated on display
END
- Press button.
The program is now back at its starting point.
Rapid data transfer
HELP
Indicated on display
Select function XX
Ultrasonic interior monitoring On Board Diagnostic (OBD)
Testing alarm signal
- Switch ignition off and remove ignition key.
- Connect VAG1551 Scan Tool (ST) ( page 01-
1 ), and press buttons -4- and -5- to select "Int.
Monitoring" address word 45.
- Close all doors and open one side window.
- Lock vehicle by reaching through open window.
The anti-theft system horn confirms this, but
warning lamps do not light up.
- Wait 30 seconds until anti-theft system is
armed.
- Perform Output Diagnostic Test Mode ( page
01-124 ) and select control element test "Create
active alarm."
Notes:
It is also possible to test the alarm activation
signal without using the VAG1551 Scan Tool
(ST). To do this, carry out the first, third, fourth
and fifth procedure steps listed above.
Ultrasonic interior monitoring On Board Diagnostic (OBD)
can thereby test the functional capability of the
ultrasonic interior monitoring system.
Output Diagnostic Test Mode
Indicated on display
Create active alarm
Specification: anti-theft system (turn signals and anti-theft horn) is
triggered.
Ultrasonic interior monitoring On Board Diagnostic (OBD)
- Shut off alarm by unlocking vehicle.
- End Output Diagnostic Test Mode (DTM).
- Initiate On Board Diagnostic (OBD) for anti-theft
system.
- Erase DTC memory page 01-137 .
Checking power supply wiring
- Remove both ultra-sound sensors.
Repair Manual, Body Interior, Repair Group
70, B-pillar trim , removing and installing
- Disconnect electronic harness connectors.
- Perform Output Diagnostic Test Mode ( page
01-124 ) and select output test "Power supply
wiring."
Output Diagnostic Test Mode
Indicated on display
Power supply wiring
- Using multimeter (Fluke 83 or equivalent), measure voltage at wiring
harness connector between terminal 2 (B+) and terminal 3 (GND).