TM 9-2320-387-24-l
DIAGNOSTIC FLOWCHART
TRANSMISSION
SYSTEM
TRANSMISSION OUTPUT SPEED
SENSOR (TOSS) CIRCUIT
NOTE
If reading from Jl diagnostics chart is above limit, perform high
resistance - below limit, perform low resistance.
HIGH RESISTANCE
497A
Check Transmission Output Speed
498A
Sensor connector and pins for continuity.
0 YES
I
Disconnect and check continuity of wire 495A
on Jl pin S to transmission output speed
connector pin A, and check continuity of wire
498A on Jl pin R to transmission output
speed connector pin B.
Repair wire 497A,
and/or wire 498A
(para. 4-80).
Check resistance of Transmission Output
Speed Sensor and pins A and B (TOSS)
1 Kohm to 2 Kohms R.
Replace TOSS
(para. 4-47).
LOW RESISTANCE
Disconnect TOSS and check continuity between
pins M and N at Jl .
Repair wire 497Al498A
(para. 4-80).
Replace TOSS
’
(para. 4-47).
2-411
