3
CF65/75/85 series Automatic gearbox
DIAGNOSTICS
5-9
Main code Sub-code RECOMMENDED PROCEDURES
Range test when using coupling C3
57 11
22
44
66
88
99
Check the following points:
a. Output shaft engine speed sensor and rev sensor are connected.
The connectors are undamaged and clean.
b. No interruptions or short circuits between wires or earth in sensor
wiring.
c. Let the engine idle in neutral while the vehicle is on the brake.
Check the following points:
1. Specified dip stick.
2. Oil level.
d. Check that there is no interruption or short circuit between the wiring
or earth connection in the coupling 3 pressure switch wiring.
e. Check the following points:
1. Main connector is properly connected, is clean and undamaged.
2. ECU connector is properly connected, is clean and undamaged.
3. Rev sensor is properly connected, is clean and undamaged.
If all points are in order, contact your Allison dealer.
Fault in ECU
69 12,13
14,15
16,21
22,23
24,25
26,32
33,34
35,36
1. Delete the fault codes and try to re-start the vehicle.
2. If the fault re-occurs, replace the ECU.
3. If the fault has not been cleared, contact your Allison dealer.
1
ᓻ 200337
https://www.truck-manuals.net/
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