AUTOMATIC TRANSMISSION ± Troubleshooting <A/T>
23-30
A/T-ECU TERMINAL VOLTAGE REFERENCE CHART
Terminal
No.
Inspection item Inspection conditions Standard value
1 Solenoid valve No. 1
When in 1st or 2nd gear System voltage
When in 3rd or 4th gear 0 V
2 Solenoid valve No. 2
When in 2nd or 3rd gear System voltage
When in 1st or 4th gear 0 V
3 Wide open throttle switch
Accelerator pedal: Released 4.5 ± 5.5 V
Accelerator pedal: Depressed Less than 0.4 V
4 Output shaft speed sensor
earth
± ±
5 Stop lamp switch
Brake pedal: Depressed System voltage
Brake pedal: Released 0 V
6 Free-wheeling engage
Transfer lever position: Other than 4WD System voltage
sw
c
Transfer lever position: 4WD 0 V
8 Inhibitor switch (L)
Selector lever position: L System voltage
Selector lever position: Other than L 0 V
9 Back-up power supply Ignition switch: OFF System voltage
10 Solenoid valve No. 3
When lockup clutch is operating System voltage
When lockup clutch is not operating 0 V
11 Diagnosis control terminal ± ±
12 A/T fluid temperature
sensor earth
± ±
13 Output shaft speed sensor
Vehicle: Stopped Approx. 2.5 V
Vehicle: Driving Other than 2.5 V
14 Dual-pressure switch
A/C switch: OFF 0 V
A/C switch: ON System voltage
15 Input shaft speed sensor
earth
± ±
16 Input shaft speed sensor
Ignition switch: OFF 0 V
Ignition switch: ON 2.5 V
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