STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
E. VEH5V - VEHICLE HARNESS +5 VOLTS SUPPLY (CONT’D)
VEH5V-7
Check PTOSA
Sensor Connectors
Inspect terminals at the PTOSA
Terminals and
Replace PTOSA. Then go to
connectors (sensor side and
connectors are okay.
VEH5V-30.
harness side) for damage; bent,
corroded and unseated pins
Problem found.
Repair terminals/connectors.
or sockets.
Then go to VEH5V-30.
VEH5V-8
Check TPS
Turn ignition off.
Getting 48-144
Go to VEH5V-10.
Reconnect the Throttle Position
counts at no throttle and
Sensor (TPS) connector.
no more than 832-968
Turn ignition on.
counts at full throttle.
Select Throttle Sensor for display
on the DDR.
Not getting the
Go to VEH5V-9.
Observe throttle counts at both no
above readings.
throttle and full throttle (engine
not running).
VEH5Vs9
Check TPS
Connectors
Turn ignition off.
Terminals and
Replace TPS. Then go
Disconnect the Throttle Position
connectors are okay.
to VEH5V-30.
Sensor (TPS).
Inspect terminals at the TPS
Problem found.
Repair terminals/connectors.
connectors (sensor side and
Then go to VEH5V-30.
harness side) for damage; bent,
corroded and unseated pins or
sockets.
Change 3 3-345.423
