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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
F: DTC P0720 OUTPUT SPEED SENSOR CIRCUIT
DTC DETECTING CONDITION:
• The vehicle speed signal is abnormal.
• The harness connector between TCM and vehicle speed sensor is in short or open.
TROUBLE SYMPTOM:
• The neutralizing control does not operate.
• The slip lock up control does not operate.
• Poor driving performance.
WIRING DIAGRAM:
VEHICLE SPEED
B54
TCM
* *
*
*
LH RH
B11
T4
LH
: LHD MODEL
RH : RHD MODEL
*
: TERMINAL No. RANDOM ARRANGEMENT
AMONG 1,11, AND 12
FRONT
SENSOR
4AT(diag)-53
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
JOINT
CONNECTOR
B53
B11
1 2
3 4
5
6 7
8
9
10
11 12
13
14 15
16
17
18
19
20
B54
1 2
3 4
5 6
7
8 9
10 11 12
13 14 15 16
17 18
19 20 21
22 23 24
B53
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
AT-03160
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