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TM 9-2320-364-20-2
2-866
6. CODE 22: SPEED SENSOR INOPERATIVE (CONT).
3.
Notify DS
Maintenance.
NO
“CHECK TRANS” light ON.
“DO NOT SHIFT” light ON.
Restricted gear shifts.
Torque converter lockup clutch
unlocked.
Transmission does not shift
properly or stays in N
(Neutral).
Cab/transmission harness
connector at speed sensor is
OK.
No short/open in wire 112 or
113 to speed sensor.
Magnetic speed sensor faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
DDR OUTPUT RPM test.
STE/ICE-R #91.
No signal or incorrect signal from
speed sensor at
transmission to ECU in electrical
control box will cause shift
problems. ATEC will register a
code 22 fault.
WARNING
Are 82 to 236 ohms resistance
measured between terminals
A and B of magnetic speed
sensor connector?
Transmission has
other internal fault.
Notify DS
Maintenance.
YES
Read WARNING
on Page 2-867
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