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Volume 4.1

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LOCATION:    13.2 Anti-Theft Alarm (ATA)   >   13 Diagnosis - Nominal Values


Diagnosis - Nominal Values

The following tests and component activations are possible using the HHT.

Nominal values (function status)
All door contacts including engine hood and trunk lid.
Left front door lock switch (S86/1), right front door lock switch (S87/1), and trunk lid lock switch (S88/2) (arm/disarm ATA) up to 01/94.
Ignition.
Service brake.
Radio contact (running change during M. Y. 1996).
Left front door actuator (S47).

Test scope Test connection Test condition Nominal value Possible cause/Remedy
1.0 Circuit 15 Ignition: OFF
Ignition: ON
OFF
ON
23 1.0
2.0 Stop lamp switch (S9/1) Ignition: ON
Service brake
applied
not applied


ON
OFF
22 9.0
3.0 ATA contact connector (radio) (X42/13)
(running change during
M.Y. 1996)
Radio installed, X42/13 connected
Radio removed or X42/13 disconnected

ON

OFF
23 10.0
4.0
Activation/deactivation of ATA via RCL on driver's door, passenger door or trunk lid Using IR transmitter
lock vehicle
unlock vehicle

ON
ON
23 2.0, 3.0, 4.0
5.0
Activation/deactivation of ATA via rotary tumbler lock on driver's door, passenger door or trunk lid (up to 01/94) Using key at:
passenger door
lock vehicle
unlock vehicle


ON
ON
Vehicle uncoupled
23 2.0, 3.0, 4.0
6.0 Engine hood switch (S62) Open engine hood
Close engine hood
ON
OFF
23 8.0
7.0 Left front door actuator (S47) Vehicle unlocked
Vehicle locked
OFF
ON
23 12.0
8.0 Left/right door switch (S17/3, S17/4) Both front doors closed
Open driver's door
Close driver's door
Open passenger door
OFF
ON
OFF
ON
23 6.0
9.0 Left/right rear door switch (S17/5, S17/6) Both rear doors closed
Open left rear door
Close left rear door
Open right rear door
OFF
ON
OFF
ON
23 5.0
10.0 Rotary tumbler/trunk lid microswitch (S88/1) Trunk lid
closed
open

OFF
ON
23 7.0
11.0 Not applicable for U.S.A. vehicles - - -
12.0 Not applicable for U.S.A. vehicles - - -