1995 TOYOTA SUPRA Service Repair Manual

Page 585 of 2543

TOYOTA SUPRA 1995  Service Repair Manual  Park Neutral Position Switch Circuit
CIRCUIT DESCRIPTION
The park/neutral position switch detects the shift lever position and sends signal to ECM.
The ECM receives signals (R, NSW, 2 and L) from the

Page 586 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Check voltage between terminals R, NSW, 2, L of ECM connector and body
ground.
1. Connect  the Check Harness A to the ECM
(See page EG±510).
2. Turn ignition switch ON.
Measure voltage between termin

Page 587 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Stop Light Switch Circuit
CIRCUIT DESCRIPTION
The purpose of this circuit is to prevent the engine from stalling, while driving in lock±up condition, when
brakes are suddenly applied.
When the brake

Page 588 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Depressed
Released
Brake pedalVoltage
0 V
8 V
Check stop light signal.
1. Connect  the voltmeter to the terminals TT and
E1 of the DLC2.
2. Turn ignition switch ON.
3. Fully depress the accelerator pe

Page 589 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Pattern Select Switch Circuit
CIRCUIT DESCRIPTION
The ECM memory contains the shift programs for the NORMAL and MANUAL patterns, 2 position, L posi-
tion and the lock±up patterns. Following the progr

Page 590 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Check if A/T fluid temp. is too hot.
1. Turn ignition switch ON.
2. Check ªMANUº mode indicator light when pat-
tern select switch is pushed in to ON.
ºMANUº mode indicator light comes on and stay

Page 591 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Check pattern select switch.
Check harness and connector between battery and pattern select switch,
pattern select switch and ECM (See page IN±30).
Replace pattern select switch.
Repair or replace ha

Page 592 of 2543

TOYOTA SUPRA 1995  Service Repair Manual  O D Main Switch & O D OFF Indicator Light Circuit
CIRCUIT DESCRIPTION
The O/D main switch contacts go off when the switch is pushed in and comes on when it is pushed out.
In O/D main switch OFF posit