Toyota 4-Runner 1985 Repair Manual page 198

EFI SYSTEM - Troubleshooting for EFI Electronic Circuit with Volt/Ohmmeter
FI-29
VOLTAGE AT ECU WIRING CONNECTORS
'.
Terminals
Condition STO Voltage See page
1
+B - El Ignition switch ON
10 - 14
FI-30
2 BATT - E} -
10 - 14
FI-31
I
IDL - E2 Throttle valve open
4 -10
Ft-32
I
I
Ign ition switch
Throttle valve fully closed 0.1-1.0 Ft-33
3
I
VTA - E2
I
ON
I
Throttle valve fully open 4-5
I
Vee - E2
-
4-6
i
4
I
IGt - E}
Idling 0.7 - 1.0
Ft-34
i
5
I
STA - El I Ignition switch ST position
6 - 12
FI-35
6
No.l0-E
1
Ignition switch ON
No. 20 - El
9- 14 FI-36
7
W- El No trouble (CHECK ENGINE light off) and engine running 8 - 14 FI-37
I Ve - E2 -
4-9 FI-38
Ign ition switch
Measuring plate fully closed
0.5 - 2.5
8
ON
Vs - E2 Measuring plate fully open 5- 8
Idling
2.5 - 5.5
9 THA - E2 Ignition switch ON I ntake air temperature
20°C (68°F)
2-6
FI-39
10
THW - E2 Ignition switch ON Coolant temperature
80°C (176°F) 0.5 - 2.5
FI-40
11
B/K - El Stop light switch ON 8- 14
FI-41