Mazda 626 Station Wagon, Workshop Manual

Page: 282 / 577

ON-BOARD DIAGNOSTIC
IDTCP0710
DTC P0710
Transaxle fluid temperature (TFT) sensor circuit malfunction (short to ground/open circuit)
DETECTION
CONDITION
• If PCM detects either of following conditions for 150 seconds or more, PCM determines that TFT
sensor circuit has a malfunction.
— TFT sensor voltage is 0.06 V or below and vehicle speed 20 km/h {12 mph} or above.
— TFT sensor voltage is 4.67 V or above and vehicle speed 20 km/h {12 mph} or above.
POSSIBLE
CAUSE
TFT sensor malfunction
Open circuit between TFT sensor terminal A and ATX connector terminal E
Short to ground between TFT sensor terminal A and ATX connector terminal E
Open circuit between TFT sensor terminal B and ATX connector terminal H
Short to ground between TFT sensor terminal B and ATX connector terminal H
Open circuit between ATX connector terminal E and PCM terminal 37
Short to ground between ATX connector terminal E and PCM terminal 37
Open circuit between ATX connector terminal H and PCM terminal 91
Damaged connectors between TFT sensor and PCM
PCM malfunction
PCM
T F T SE N S O R
ATX C O N N E C TO R
T F T S E N S O R
H A R N E SS SIDE C O N N E C TO R
(V IE W FRO M H A R N E SS SIDE)
HARNESS SIDE C O N N E C TO R
(VIEW FROM H ARNESS SIDE)
PCM H ARNESS SID E C O N N E C TO R
J
I I 1371 I 7
TTT
□ '
I
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I
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I
' I ' I '
I
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I T I
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I T I
' 1
11
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11
Í 1 ! 1 1 1 1 1 ! 1
1111
T i l I I I I f I I I 1*1 I I T I T I I I I I I I T ]
(VIEW FRO M TERM INAL SIDE)
K 2-75