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CVT
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Wiring Diagram - CVT - PRSCVT
INFOID:0000000004666939
TCM TERMINALS AND REFERENCE VALUES Refer to CVT-49, " TCM Terminal and Reference Value " .
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OK >> GO TO 6.
NG >> GO TO 2. OK >> GO TO 6.
NG - 1 >> Battery voltage is not supplied: GO TO 3.
NG - 2 >> Battery voltage is supplied, but there is a malfunction in
the frequency: GO TO 4.
3. CHECK HARNESS BETWEEN TCM AND CVT UNI T HARNESS CONNECTOR (SENSOR POWER ANDItem Connector Terminal Data (Approx.)
TCM E32 46 - 42 5.0 V
Name Condition
Input speed sensor
(Primary speed
sensor) When running at 20 km/h (12 MPH) in “L” position with the
closed throttle position signal OFF, use the CONSULT-III
pulse frequency measuring function.
CAUTION:
Connect the data link connector to the vehicle-side diag-
nosis connector.
Item Connector Terminal Name Data (Ap-
prox.)
TCM E32 38 Input speed sensor (Primary
speed sensor) 1000 Hz
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3. Check continuity between TCM connector terminals and primary
speed sensor harness connector terminals.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG OK >> GO TO 6.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK HARNESS BETWEEN TCM AND CVT UNIT HARNESS CONNECTOR [INPUT SPEED SENSOR OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. DTC Confirmation Proce-
dure " .
Is the “ P0715 INPUT SPD SEN/CIRC ” detected again?
YES >> Replace the transaxle assembly. Refer to
CVT-182, " Removal and Installation " .
NO >> Replace TCM. Refer to CVT-12, " Service After Replacing TCM and Transaxle Assembly " .
DTC Confirmation Procedure " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 7. TCM Terminal and Reference Value " .
2. If NG, re-check TCM pin terminals for dam age or loose connection with harness connector.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts. Item Connector Terminal Continuity
TCM E32 42 Yes
CVT unit harness connector F46 19
TCM E32 46 Yes
CVT unit harness connector F46 20
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Diagnosis Procedure " .
WITH GST
Follow the procedure “WITH CONSULT-III”. Item name Condition Display value
VSP SENSOR During driving Approximatel y matches the speedometer reading.
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Wiring Diagram - CVT - SESCVT
INFOID:0000000004666946
TCM TERMINALS AND REFERENCE VALUES Refer to CVT-49, " TCM Terminal and Reference Value " .
Page 1030 of 4331
OK >> GO TO 8.
NG >> GO TO 2. Circuit Diagram " .
3. If OK, check the pulse when vehicle cruises.
OK or NG OK >> GO TO 8.
NG >> GO TO 3. Item Connector Terminal Data (Approx.)
TCM E31, E32 10 - 42
Battery voltage
19 - 42
Name Condition
Output speed sen-
sor (Secondary
speed sensor) When running at 20 km/h (12 MPH) in “D” position, use the
CONSULT-III pulse frequency measuring function.
CAUTION:
Connect the data link connector to the vehicle-side diag-
nosis connector.
Item Connector Terminal Name Data (Ap-
prox.)
TCM E32 29 Output speed sensor (Sec-
ondary speed sensor) 570 Hz
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4. Check voltage between output speed sensor (secondary speed
sensor) harness connector terminals.
5. Check voltage between output speed sensor (secondary speed sensor) harness connector terminal and ground.
6. If OK, check harness for short to ground and short to power.
7. Reinstall any part removed.
OK or NG OK >> GO TO 4.
NG - 1 >> Battery voltage is not supplied between terminals 1 and 3, terminals 1 and ground.: GO TO 6.
NG - 2 >> Battery voltage is not supplied between terminals 1 and 3 only.: GO TO 7. OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. DTC Confirmation Proce-
dure " .
Is “ P0720 VEH SPD SEN/CIR AT ” detected again?
YES >> Replace the transaxle assembly. Refer to
CVT-182, " Removal and Installation " .
NO >> Replace TCM. Refer to CVT-12, " Service After Replacing TCM and Transaxle Assembly " .
6. CHECK HARNESS BETWEEN TCM AND OUTPUT SP EED SENSOR (SECONDARY SPEED SENSOR)
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Circuit Diagram " .
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG OK >> 10 A fuse (No. 49, located in the IPDM
E/R) or ignition switch are malfunctioning.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR) OK >> GO TO 8.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. DTC Confirmation Procedure " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 9. TCM Terminal and Reference Value " .
2. If NG, re-check TCM pin terminals for damage or loose connection with harness connector.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts. Item Connector Terminal Continuity
TCM E31 10 Yes
Output speed sensor (Sec-
ondary speed sensor) F48 3
TCM E31 19 Yes
Output speed sensor (Sec-
ondary speed sensor) F48 3