Toyota Celica Supra 1986 Service And Repair Manual page 180

Ff·78
Term1nals
IOL - E2
VTA - Et
Vc -
E:r
V a - E2:
THA - E2
G - G6
Ne -
G6
ISCt, ISCt
+ 8
-
ISC:a tsC•
Eff SYSTEM - Electronic Control System
2. MEASURE RESISTANCE OF ECU
CAUTION :
1. Do not touch the ECU terminals.
2. The tester probe should be insened into wiring
connector from wiring aide.
Check the resistance between each terminal of the wir·
ing connector.
• Remove the glove box .
• Unplug the wiring connectors from the ECU .
• Measure the resistance between each terminal of the
wir·
ing connectors .
Resistances et ECU Wiring Connectou
Condition
Resis1:ance (0)
Throttle valve open
c
Throttle va1 11e runv ctosed
0
Ttuottl• valve fully opened
3.300 - 10,000
Ttvoute valve fully closed
200 - 800
Otsconnect lir now meter connectOr
3,000 - 7.000
Disconnect thronte position sensor connectOf
200-400
Meesuring plate tully closed
20-400
M euuring plate fully open 20 - 1000
lntoke air te mpetature 20°C 168°FI
2,000 - 3.000
-
140 - 180
-
-
10-30