780 V6-2849cc 2.8L SOHC B280F (1987)
T2
+12V (30-supply)
T3
Alarm relay
T4
-
T5
+12V (15-supply)
T6
Vibration sensor
T7
Magnetic switches
T8
Door switch
T9
Lock plate (BL)
T10
Lock plate (GR)
T11
Lock plate (R)
T12
Lock plate, ground (SB)
Fault Tracing 1 & 2 Information
FAULT TRACING 1 NOT POSSIBLE TO ARM/TURN OFF ALARM
CHECK that:
-
there isn't a loudspeaker or another strong magnetic source closer than 200 mm (8 in.) from the lock plate
-
alarm supply voltage is 10-14V. Measure between T2 and T12 as shown.
*The operation has to be done two times to be sure the signal to T10 will switch the alarm on/off switch.