1995 TOYOTA SUPRA Service Repair Manual

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TOYOTA SUPRA 1995  Service Repair Manual  Terminals Symbols Condition Standard Value
 
 
T9±12±Ground
(IND±Ground) 
 W±L

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TOYOTA SUPRA 1995  Service Repair Manual CIRCUIT INSPECTION
Indicator Light Circuit
CIRCUIT DESCRIPTION
When the theft deterrent system is preparing to set, this circuit lights up the indicator light. When the system
has been set, it continu

Page 731 of 2543

TOYOTA SUPRA 1995  Service Repair Manual INSPECTION PROCEDURE
(See page BE±123).
Check harness and connector between theft deterrent and door lock ECU
and indicator light, indicator light and body ground (See page IN±30).
(2) Remove instru

Page 732 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Starter Relay Circuit
CIRCUIT DESCRIPTION
When the theft deterrent system is activated, contact (a) in the ECU becomes open, creating an open circuit
in terminal ST circuit and making the starter inop

Page 733 of 2543

TOYOTA SUPRA 1995  Service Repair Manual INSPECTION PROCEDURE
HINT: This troubleshooting is based on the premise that engine cranking occurs.
If the engine does not crank, proceed to engine troubleshooting on page EG±381 or 487 (Vol. 1).
(S

Page 734 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Horn Relay Circuit
CIRCUIT DESCRIPTION
When the theft deterrent system is activated, it causes the Tr in the ECU to switch on and off in approximately
0.2 sec. cycles. This switches the horn relay on

Page 735 of 2543

TOYOTA SUPRA 1995  Service Repair Manual INSPECTION PROCEDURE
(See page IN±30).
Check and repair harness and connector between theft deterrent and door lock ECU and horn
relay (See page IN±30).
(1) Remove instrument panel.
(See BO section)

Page 736 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Theft Deterrent Horn Circuit
CIRCUIT DESCRIPTION
When the theft deterrent system is activated, contact (a) and contact (b) in the ECU close alternately in cycles
of approximately 0.2 sec., causing the