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Volume 4.1

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LOCATION:    13.5 Anti-Theft Alarm (ATA)   >   11 Diagnosis - Function Test


Diagnosis - Function Test

CAUTION!
After performing the Function Test, erase any stored DTC's (see section 0).

Test step/Test scope Test condition Nominal value Possible cause/Remedy 1)
1.0 Trigger ATA via left front door. Open driver's window.
Lock driver's door with key.
(model 210, up to M.Y. 1997),
(1997 E420, up to 06/96 production).
After approximately 15 seconds open door from inside.





Alarm horn sounds (turn off alarm).
23 2.0
2.0 Trigger ATA via right front door. Open passenger window.
Lock passenger door with key.
(model 210, as of M. Y. 1997)
(1997 E420, as of 06/96 production).
After approximately 15 seconds open door from inside.





Alarm horn sounds (turn off alarm).
23 3.0
3.0 Trigger ATA via left or right rear door.
Open corresponding rear passenger window.
Lock driver's door with key.
(model 210, up to M.Y. 1997),
(1997 E420, up to 06/96 production).
Lock passenger door with key.
(model 210, as of M. Y. 1997),
(1997 E420, as of 06/96 production).
After approximately 15 seconds open rear door from inside.









Alarm horn sounds (turn off alarm).
23 4.0, 5.0
4.0 Trigger ATA via engine hood. Open driver's window.
Lock vehicle with key.
Wait approximately 15 seconds.
Release engine hood through open window.
Open engine hood.





Alarm horn sounds (turn off alarm).
23 7.0
5.0 Trigger ATA via trunk lid. Open trunk lid.
Lock vehicle.
Turn off trunk lamp (rotary tumbler switch open).
Wait approximately 15 seconds.
Turn on trunk lamp (rotary tumbler switch closed).






Alarm horn sounds (turn off alarm).
23 6.0
6.0 Trigger ATA via ignition Sit in driver's seat.
Open driver's window.
Lock vehicle.
Wait approximately 15 seconds.
Turn ignition ON.
Alarm duration (approx. 30 sec.)





Alarm horn sounds (turn off alarm).
D.M., Body and Accessories,
Volume 1, 2.1, 23 2.0
7.0 Trigger ATA via service brake Sit in driver's seat.
Open driver's window.
Lock vehicle.
Wait approximately 15 seconds.
Turn ignition ON.
Await completion of alarm cycle (approx. 30 seconds).
When cycle ends, with ignition ON, step on service brake.






Alarm horn sounds.

Alarm horn sounds (turn off alarm).
23 8.0
8.0 Trigger ATA via Radio
(running change during
M. Y. 1996)
Sit in driver's seat.
Open driver's door window
(model 210, up to M.Y. 1997),
(1997 E420, up to 06/96 production).
Lock vehicle.
Wait approximately 15 seconds.
Remove radio.
Deactivate ATA.
Note: After Function Test radio must be recoded.






Alarm horn sounds.
23 9.0,
Radio contact separated.
9.0 Not applicable for U.S.A. vehicles -
- -
10.0 Not applicable for U.S.A. vehicles -
- -
11.0 Not applicable for U.S.A. vehicles -
- -
12.0 ATA status indicator (E33) Lock vehicle.
Wait approximately 15 seconds.
LED in ATA status indicator (center console) blinks. 23 13.0
13.0 Not applicable for U.S.A. vehicles -
- -
14.0 Not applicable for U.S.A. vehicles -
- -
1) Observe Preparation for Test, see 22.