Allison B 500 - Temperature Sensor Chart

6–42 Copyright © 1998 General Motors Corp.
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
* NOTE: Use the Pro-Link
®
diagnostic tool to determine the software version being used. Version 6 software
includes R03, D4C, 200, 501, and 502. Version 7 software is D70.
Figure 6–12.
TransID 1 Temperature Sensor Chart
Table 6–4. Transmission Operation As A Function Of Temperature
Condition
Version 6
Software*
Version 7
Software*
V7A/V6E/
V7 Recals
°C (°F) °C (°F) °C (°F)
Temperature sensor failed high (Refer to Code 33 23) 177 (351) 177 (351)
Hot fluid (Code 24 23) adaptive turned off; max range limited 128 (262) 128 (262) 132 (270)
Output function “on” for sump over temp above this temperature 119 (246) 121 (250) 132 (270)
Output function “off” for sump over temp below this temperature 113 (235) 116 (240)
Cool/cold fluid; adaptive turned off 34 (93) 34 (93)
Turbine reasonableness and speed tie-up tests turned off 0 (32) 0 (32)
Medium cold fluid R, N, D allowed, 2nd gear start (hold override
upshifts only)
–7 (19) –7 (19)
All C3 Pressure Switch tests turned off (Neutral operation only for
R03, D4C, and 200 software version. Also, DO NOT SHIFT light
is illuminated.)
–32 (–25) –32 (–25)
Temperature sensor failed low (Refer to Code 33 12) –45 (–49) –45 (–49)
V01602.02
TEMP °C
-50
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
183
TEMP °F
-58
-40
-22
-4
14
32
50
68
86
104
122
140
158
176
194
212
230
248
266
284
302
361
OHMS
525
577
632
691
754
820
889
962
1039
1118
1202
1288
1379
1472
1569
1670
1774
1882
1993
2107
2225
2628
±1.6°C
-60
500
700
900
1100
1300
1500
1700
1900
2100
2300
2500
2700
2900
-40 --20 0 20 40 60 80 100 120 140
4 32 68 104 140 176 212 248 284 320 356
160 180
±2.0°C
±3.0°C
±4.0°C
±5.0°C
±7.0°C
LOW PT
TEMPERATURE SENSOR CHART
TEMPERATURE VS. RESISTANCE
±3.0°C
SUMP TEMPERATURE IN °F
TEMPERATURE SENSOR RESISTANCE IN OHMS
SUMP TEMPERATURE IN °C
CODE 24 XX — SUMP FLUID TEMPERATURE (Figures 6–10, 6–11)