TM 92320-387-24-l
TRANSMISSION SYSTEM
DIAGNOSTIC FLOWCHART
KNOWN INFO
NOTHING
I TEST OPTIONS
CHECK THE TRANSMISSION
FLUID. IS IT OK ?
VISUAL - SEE NOTE AT RIGHT.
POSSIBLE
PROBLEMS
FLUID
SHIFTER
TP SENSOR
COOLING SYSTEM
TRANSMISSION
KNOWN INFO
FLUID OK
POSSIBLE
PROBLEMS
SHIFTER
TP SENSOR
COOLING SYSTEM
TRANSMISSION
KNOWN INFO
FLUID OK
BANDS AND CLUTCHES Of
SHIFTER OK
POSSIBLE
PROBLEMS
COOLING SYSTEM
TF’ SENSOR
TRANSMISSION
REASON FOR QUESTION
Transmission fluid level and
appearance give a good
indication of the system’s
condition.
PERFORM THE ROAD TEST
SEE PROCEDURE
AT RIGHT.
PROCEDURE AT RIGHT. DID THE
VEHICLE PASS THE ROAD TEST?
WITH THE VEHICLE COASTING IN
4TH GEAR, FLOOR THE
ACCELERATOR.
DOES THE
TRANSMISSION DOWNSHIFT?
TRY IT (BE SURE NOT TO
EXCEED ANY POSTED SPEED
UMITS).
TEST OPTIONS
REASON FOR QUESTION
You want to check out the TP
sensor.
2-386
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