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Page Title:
Table 54. Transmission Operation as a Function of Temperature |
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 WTEC III ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
DI FLUID IC PEDES
Table 54. Transmission Operation as a Function of Temperature
Condition
Version 8 Software
C
F
Temperature sensor failed high (refer to code 33 23)
177
350
Hot fluid (code 24 23) adaptive turned off; maximum range limited (not limited in
"emergency" calibration)
128
262
Output function "on" for sump over temp above this temperature
121
250
Output function "off" for sump over temp below this temperature
116
240
Cool/cold fluid; adaptive turned off
34
93
Turbine reasonableness and speed tie-up tests turned off
0
32
Medium cold fluid R, N, D allowed, 2nd range start (hold override upshifts only)
7
19
All C3 Pressure Switch tests turned off
32
25
Temperature sensor failed low (refer to code 33 12)
45
49
OHMS
TEMP F
TEMP C
2900
525
-58
-50
577
-40
-40
7.0C
2700
632
-22
-30
691
-4
-20
754
14
-10
2500
820
32
0
889
50
10
2300
5.0C
962
68
20
1039
86
30
1118
104
40
2100
1202
122
50
1288
140
60
4.0C
1900
1379
158
70
1472
176
80
1700
1569
194
90
3.0C
1670
212
100
230
1774
110
1500
248
1882
120
2.0C
266
1993
130
1300
284
2107
140
302
2225
150
1100
361
2628
183
1.6C
900
LOW PT
700
3.0C
SUMP TEMPERATURE IN F
500
4
32
68
104
140
176
212
248
284
320
356
Code 24 23:
1. Install temperature gauges for transmission temperature and engine water temperature. Drive the
vehicle. Verify that the code can be reproduced and verify the reading shown on the diagnostic
tool. Observe the gauges and check for hot fluid when the code is produced.
2. If the fluid is not hot when the code is produced, remove the transmission "T" harness connector
at the ECU and the transmission. Check the fluid temperature sensor wiring for opens, shorts,
and shorts-to-ground. Compare the resistance readings of the sensor and the actual temperature
0021 0065
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