Allison Transmission 3000 MH Series, Руководство оператора

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Code Listings And Procedures
(Allison 4
th
Generation Controls) (cont’d)
P063F
Auto
Con
fi guration
Engine
Coolant Not
Present
1. Check:
a. Data link communication connectors at engine and
transmission controllers are tight, clean, and
undamaged.
b. Data link communications wiring harness has no
opens, shorts, or shorts-to-ground.
— The resistance between J1939 CAN high and
CAN low wires should be 60 Ohms.
c. Engine coolant temp sensor harness for opens and
shorts.
P0658, P0659,
P2670, P2671,
P2685, P2686
Actuator
Supply
Voltage Fault
1. Check:
a. Main transmission connector is tight, clean, and
undamaged.
b. TCM connector is tight, clean, and undamaged.
c. Wiring harness has no opens, shorts-between-wires,
or shorts-to-ground.
P0701
Transmission
Control
System
Performance
1. Let the vehicle idle with parking brake applied, wheels
chocked, and vehicle level. Check:
a. Correct dipstick installed.
b. Correct fl uid level.
2. Check:
a. Main transmission connector is tight, clean, and
undamaged.
b. TCM connector is tight, clean, and undamaged.
c. Wiring harness has no opens, shorts-between-wires,
or shorts-to-ground.
P0702
Transmission
Control
System
Electrical
1. Check:
a. Main transmission connector is tight, clean, and
undamaged.
b. TCM connector is tight, clean, and undamaged.
c. Wiring harness has no opens, shorts-between-wires,
or shorts-to-ground.
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