SECTION 6C3-4 - SPECIFICATIONS - GEN III V8 PCM
ENGINE GENERAL SPECIFICATIONS
Engine GEN III 5.7 litre (5667) V8
Engine fuel injection system type Sequential fuel injection (SFI)
Engine spark plug type AC - 41-952
Engine spark plug gap 1.52 +/- 0.05 mm
Fuel system pressure specification 380-410 kpa (55 - 60 psi)
AUTOMATIC TRANSMISSION GENERAL SPECIFICATIONS
Name Hydra-matic 4L60-E
RPO Codes M30
Production Location Toledo, Ohio / Romulus, MI
Vehicle Platform (Engine/Transmission) Usage VT
Transmission Drive Longitudinally-Mounted, Rear Wheel Drive
1st Gear Ratio 3.059:1
2nd Gear Ratio 1.625:1
3rd Gear Ratio 1.000:1
4th Gear Ratio 0.696:1
Reverse 2.294:1
Torque Converter Size
(Diameter of Torque Converter Turbine) 245 mm
298 mm
Pressure Taps Line Pressure
Transmission Fluid Type DEXRON R III
Transmission Fluid Capacity (Approximate)
245 mm Converter: Dry: 7.9L (8.4 qts)
298 mm Converter: Dry: 10.6L (11.2 qts)
Transmission Type: 4 Four Forward Gears
Transmission Type: L Longitudinal Mount
Transmission Type: 60 Product Series
Transmission Type: E Electronic Controls
Position Quadrant P, R, N, D, 3, 2, 1
Case Material Die Cast Aluminum
Transmission Weight Dry 245 mm Converter: 65.4 kg (144.30 lbs)
298 mm Converter: 70.5 kg (155.70 lbs)
Transmission Weight Wet 245 mm Converter: 72.4 kg (159.55 lbs)
298 mm Converter: 80.5 kg (176.16 lbs)
Maximum Trailer Towing Capacity 6,130 kg (13,500 lbs)
Maximum Gross Vehicle Weight (GVW) 3,900 kg (8,600 lbs)
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
TEMPERATURE VS RESISTANCE TABLE
°C °F OHMS
Temperature vs. Resistance Values
(Approximate)
100 212 177
90 194 241
80 176 332
70 158 467
60 140 667
50 122 973
45 113 1188
40 104 1459
35 95 1802
30 86 2238
25 77 2796
20 68 3520
15 59 4450
10 50 5670
5 41 7280
0 32 9420
-5 23 12300
-10 14 16180
-15 5 21450
-20 -4 28680
-30 -22 52700
-40 -40 100700
AUTOMATIC TRANSMISSION TEMPERATURE VS RESISTANCE
Temperature
Temperature Minimum
Resistance Nominal
Resistance Maximum
Resistance
Signal
° F ° C ohms ohms ohms Volts
-40 -40 90636 100707 110778 5.00
-22 -30 47416 52684 57952 4.78
-4 -20 25809 28677 31545 4.34
14 -10 14558 16176 17794 3.89
32 0 8481 9423 10365 3.45
50 10 5104 5671 6238 3.01
68 20 3164 3515 3867 2.56
86 30 2013 2237 2461 1.80
104 40 1313 1459 1605 1.10
122 50 876 973 1070 3.25
140 60 600 667 734 2.88
158 70 420 467 514 2.56
176 80 299 332 365 2.24
194 90 217 241 265 1.70
212 100 159 177 195 1.42
230 110 119 132 145 1.15
248 120 89.9 99.9 109.9 0.87
266 130 69.1 76.8 84.5 0.60
284 140 53.8 59.8 65.8 0.32
302 150 42.5 47.2 51.9 0.00
NOTE: A shunt in the PCM becomes active as the transmission temperature increases beyond 50°C. As the
temperature decreases, the internal shunt deactivates at 40°C.
AUTOMATIC TRANSMISSION 4L60E COMPONENT RESISTANCE TABLE
Component Pass Thru Pins Resistance at
20°C Resistance at
100°C Resistance to Ground
(Case)
1-2 Shift Solenoid (A)
Valve A, E 19-24 ohm 24-31 ohm Greater than 250 K ohm
2-3 Shift Solenoid (B)
Valve B, E 19-24 ohm 24-31 ohm Greater than 250 K ohm
TCC Solenoid Valve T, E 21-26 ohm 26-33 ohm Greater than 250 K ohm
TCC PWM Solenoid
Valve U, E 10-11 ohm 13-15 ohm Greater than 250 K ohm
3-2 Shift Solenoid
Valve Assembly S, E 20-24 ohm 29-32 ohm Greater than 250 K ohm
Pressure Control
Solenoid Valve C, D 3-5 ohm 4-7 ohm Greater than 250 K ohm
Transmission Fluid
Pressure (TFP)
Manual Valve Position
Switch
Refer to TFP Manual Valve Position Switch Resistance Check
*Transmission Fluid
Temperature (TFT)
Sensor
M, L 3088-3942 ohm 159.3-198.0 ohm Greater than 10 M ohm
Vehicle Speed Sensor A, B VSS CONN. 1377-2220 ohm 1800-3355 ohm Greater than 10 M ohm
*Important: The resistance of this device is necessarily temperature dependent and will therefore vary far more
than any other device. Refer to the Transmission Fluid Temperature Sensor portion of Electronic Component
Description
AUTOMATIC TRANSMISSION SHIFT SOLENOID VALVE STATE AND GEAR RATIO
Gear 1-2 Shift Solenoid (A) 2-3 Shift Solenoid (B) Gear Ratio
1 ON ON 3.059:1
2 OFF ON 1.625:1
3 OFF OFF 1.000:1
4 ON OFF 0.696:1
AUTOMATIC TRANSMISSION TFP MANUAL VALVE POSITION SWITCH LOGIC
Gear Position Range Signal A Range Signal B Range Signal C
Park Open 12 V Closed 0 V Open 12 V
Reverse Closed 0 V Closed 0 V Open 12 V
Neutral Open 12 V Closed 0 V Open 12 V
D Open 12 V Closed 0 V Closed 0 V
3 Open 12 V Open 12 V Closed 0 V
2 Open 12 V Open 12 V Open 12 V
1 Closed 0 V Open 12 V Open 12 V
Invalid Closed 0 V Open 12 V Closed 0 V
Invalid Closed 0 V Closed 0 V Closed 0 V