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Shift Solenoid Valve State and Gear Ratio
Reverse, 1st
Gear Range
Shift Solenoid
Valve (S1)
Park, Neutral
Reverse
First (M)
First (D), (M)
Second
Third
Fourth
Fifth
The reverse, 1st; 2-3, 3-4; and 3-4, 4-5 shift solenoid valves are normally-open.
The 1-2, 2-3, reverse; and reverse shift solenoid valves are normally-closed.
The reverse shift solenoid valve is also energized (ON) during 2-3 and 3-4 shifts.
Shift Speed
1-2 Shift
Model AF33-5
(mph)
% of TPS
10 25 50 10 25 50 10 25 50 10 25 50
Trans
Engin
RPO
e RPO
M45
LY7
8
11 20 13 18 34 21 28 56 32 48 N/A
Line Pressure
Transmission in Reverse (R)
Engine Speed (RPM)
Idle
2600
Transmission in Drive (D)
Engine Speed (RPM)
Idle
2600
2-3, 3-4 Shift
Solenoid
Valve (S2)
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
2-3 Shift
3-4 Shift
(mph)
(mph)
1-2, 2-3 Shift
3-4, 4-5 Shift
Solenoid
Solenoid
Valve (S3)
Valve (S4)
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
OFF
ON
OFF
ON
5-4
4-5 Shift
(mph
(mph)
)
28
Approximate Line Pressure
Metric
500-610 kPa
1710-1980 kPa
Approximate Line Pressure
Metric
330-390 kPa
1280-1390 kPa
Automatic Transmission:
Reverse Shift
Solenoid
Gear Ratio
Valve (S5)
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
4th
Gear
4-3
3-2
2-1
Min
(mph
(mph
(mph
TCC
)
)
)
Apply
(mph)
13
10
7
38
English
73-89 psi
248-287 psi
English
48-57 psi
186-202 psi
5A-347
—
5.024
4.575
4.575
2.979
1.947
1.318
1.000
5th
Gear
Min
TCC
Apply
(mph)
45
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Troubleshooting
