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TCM TERMINALS AND REFERENCE VALUES Nissan Sentra B16 рестайлинг

Continuously Variable Transmission (Cvt) 21 illustrations ~4526 words

TCM TERMINALS AND REFERENCE VALUES

Refer to " TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE ".

Harness or connectors

(CAN communication line is open or shorted.)

  1. Turn ignition switch ON.
  2. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  3. Start engine and wait for at least 6 seconds.
  4. If DTC is detected, go to " «DIAGNOSIS PROCEDURE»(ref-367317-S28874129502010072700000) ".

Follow the procedure "WITH CONSULT-III".

Item nameConditionDisplay value
BRAKE SWDepressed brake pedalON
Released brake pedalOFF

ITEM DISPLAY VALUE CHART

  1. Harness or connectors (Stop lamp switch, and combination meter circuit are open or shorted.) (CAN communication line is open or shorted.)
  2. Stop lamp switch
  1. Turn ignition switch ON. (Do not start engine.)
  2. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  3. Start engine.
  4. Start vehicle for at least 3 consecutive seconds.
  5. If DTC is detected, go to " «DIAGNOSIS PROCEDURE»(ref-367317-S40157872752010072700000) ".
Item nameConditionDisplay value
P POSITION SWSelector lever in "P" positionON
When setting selector lever to other positions.OFF
R POSITION SWSelector lever in "R" positionON
When setting selector lever to other positions.OFF
N POSITION SWSelector lever in "N" positionON
When setting selector lever to other positions.OFF
D POSITION SWSelector lever in "D" positionON
When setting selector lever to other positions.OFF
L POSITION SWSelector lever in "L" positionON
When setting selector lever to other positions.OFF
RANGESelector lever in "N" or "P" positionN.P
Selector lever in "R" positionR
Selector lever in "D" positionD
Selector lever in "L" positionL

ITEM DISPLAY VALUE CHART

  1. Harness or connectors (The transmission range switch circuit is open or shorted.)
  2. Transmission range switch
  1. Turn ignition switch ON.
  2. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  3. Start engine.
  4. Drive vehicle and maintain the following conditions for at least 2 consecutive seconds. VEHICLE SPEED: More than 10 km/h (6 MPH) ENG SPEED: More than 450 rpm ACC PEDAL OPEN: More than 1.0/8
  5. If DTC is detected, go to " «DIAGNOSIS PROCEDURE»(ref-367317-S22465809692010072700000) ".

Follow the procedure "WITH CONSULT-III".

Scheme 113

Scheme 113: Wiring Diagram - CVT - TR/SW
Scheme 113: Wiring Diagram - CVT - TR/SW

Refer to " TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE ".

Scheme 114

Scheme 114: Diagnosis Procedure
Scheme 114: Diagnosis Procedure
  1. CHECK TRANSMISSION RANGE SW SIGNALS With CONSULT-III Turn ignition switch ON. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III. Read out "P", "R", "N", "D" and "L" position switches moving selector lever to each position. ITEM DISPLAY VALUE CHART Item name Condition Display value P POSITION SW When setting selector lever to "P" position. ON When setting selector lever to other positions. OFF R POSITION SW When setting selector lever to "R" position. ON When setting selector lever to other positions. OFF N POSITION SW When setting selector lever to "N" positions. ON When setting selector lever to other positions. OFF D POSITION SW When setting selector lever to "D" position. ON When setting selector lever to other positions. OFF L POSITION SW When setting selector lever to "L" position. ON When setting selector lever to other positions. OFF Without CONSULT-III Turn ignition switch ON. Check voltage between TCM connector terminals and ground while moving selector lever through each position. SELECTOR LEVER POSITION CHART Selector lever position Terminal 11 1 2 3 4 P B 0 0 0 0 R 0 B 0 0 0 N 0 0 B 0 0 D 0 0 0 B 0 L 0 0 0 0 B B: Battery voltage 0: 0V OK or NG OK: GO TO 5 . NG: GO TO 2.
  2. CHECK TRANSMISSION RANGE SWITCH Turn ignition switch OFF. Disconnect transmission range switch harness connector. Check continuity between transmission range switch harness connector terminals. CONNECTOR TERMINAL CONTINUITY CHART Selector lever position Connector Terminal Continuity P F26 2 - 5, 6 - 7 Yes * Continuity should not exist in positions other than the specified positions. R 5 - 8 N 3 - 5, 6 - 7 D 4 - 5 L 1 - 5 OK or NG OK: GO TO 4 . NG: GO TO 3.
  3. CHECK CONTROL CABLE ADJUSTMENT Check transmission range switch again with control cable disconnected from manual shaft of A/T assembly. Refer to test group 2 . OK or NG OK: Adjust control cable. Refer to " «ADJUSTMENT OF CVT POSITION»(ref-367317-S11313356142010072700000) ". NG: Check transmission range switch (Refer to test group 1 ) again after adjusting transmission range switch (Refer to " «TRANSMISSION RANGE SWITCH»(ref-367317-S17473672232010072700000) "). If OK, INSPECTION END If NG, repair or replace transmission range switch. Refer to " «TRANSMISSION RANGE SWITCH»(ref-367317-S17473672232010072700000) ".
  4. DETECT MALFUNCTIONING ITEM Check the following items. Harness for short or open between ignition switch and transmission range switch. Harness for short or open between transmission range switch and TCM. 10A fuse [No. 14, located in the fuse block (J/B)]. Ignition switch. Refer to «POWER SUPPLY ROUTING CIRCUIT»(ref-367304-S39439066852010072700000) . OK or NG OK: GO TO 5. NG: Repair or replace damaged parts.
  5. CHECK DTC Perform " «DTC CONFIRMATION PROCEDURE»(ref-367317-S42475756372010072700000) ". OK or NG OK: INSPECTION END NG: GO TO 6.
  6. CHECK TCM Check TCM input/output signals. Refer to " «TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE»(ref-367317-S09329992642010072700000) ". 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. Replace the transaxle assembly. Refer to " «REMOVAL AND INSTALLATION (MR20DE)»(ref-367317-S05305200852010072700000) " (MR20DE), " «REMOVAL AND INSTALLATION (QR25DE)»(ref-367317-S06117367962010072700000) " (QR25DE).

Scheme 115

Scheme 115
Scheme 115
  1. Check continuity between transmission range switch harness connector terminals. CONNECTOR TERMINAL CONTINUITY CHART Selector lever position Connector Terminal Continuity P F26 2 - 5, 6 - 7 Yes *Continuity should not exist in positions other than the specified positions. R 5 - 8 N 3 - 5, 6 - 7 D 4 - 5 L 1 - 5
  2. If NG, check again with control cable (2) disconnected from manual shaft of CVT assembly. Refer to step 1 . (1): Manual shaft (A): Lock nut
  3. If OK on step 2 , adjust control cable (2). Refer to " «ADJUSTMENT OF CVT POSITION»(ref-367317-S11313356142010072700000) ".
  4. If NG on step 2 , remove transmission range switch from CVT and check continuity of transmission range switch terminals. Refer to step 1 .
  5. If OK on step 4 , adjust transmission range switch. Refer to " «ADJUSTMENT OF TRANSMISSION RANGE SWITCH»(ref-367317-S09939849842010072700000) ".
  6. If NG on step 4 , replace transmission range switch. Refer to " «TRANSMISSION RANGE SWITCH»(ref-367317-S17473672232010072700000) ".

Remarks: Specification data are reference values.

Item nameConditionDisplay value (Approx.)
ATF TEMP SENWhen CVT fluid temperature is 20°C (68°F)2.0 V
When CVT fluid temperature is 80°C (176°F)1.0 V

ITEM DISPLAY VALUE CHART

  1. Harness or connectors (Sensor circuit is open or shorted.)
  2. CVT fluid temperature sensor
  1. Turn ignition switch ON.
  2. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  3. Start engine and maintain the following conditions for at least 14 minutes (Total). VEHICLE SPEED: 10 km/h (6 MPH) or more RANGE: "D" position
  4. If DTC is detected, go to " «DIAGNOSIS PROCEDURE»(ref-367317-S37686320242010072700000) ".

Follow the procedure "WITH CONSULT-III".

Scheme 116

Scheme 116: Wiring Diagram - CVT - FTS
Scheme 116: Wiring Diagram - CVT - FTS

Refer to " TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE ".

Scheme 117

Scheme 117: Diagnosis Procedure
Scheme 117: Diagnosis Procedure

Scheme 118

Scheme 118
Scheme 118
  1. CHECK CVT FLUID TEMPERATURE SENSOR SIGNAL With CONSULT-III Start engine. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III. Read out the value of "ATF TEMP SEN". ITEM DISPLAY VALUE CHART Item name Condition Display value (Approx.) ATF TEMP SEN When CVT fluid temperature is 20°C (68°F) 2.0 V When CVT fluid temperature is 80°C (176°F) 1.0 V Without CONSULT-III Start engine. Check voltage between TCM connector terminals. CONNECTOR TERMINAL VOLTAGE CHART Name Connector Terminal Temperature °C (°F) Voltage (Approx.) CVT fluid temperature sensor F23 13 - 25 20 (68) 2.0 V 80 (176) 1.0 V Turn ignition switch OFF. Disconnect TCM connector. Check if there is continuity between connector terminal and ground. OK or NG OK: GO TO 6 . NG: GO TO 2.
  2. CHECK CVT FLUID TEMPERATURE SENSOR CIRCUIT Turn ignition switch OFF. Disconnect the TCM connector. Check resistance between TCM connector terminals. CONNECTOR TERMINAL RESISTANCE CHART Name Connector Terminal Temperature °C (°F) Resistance (Approx.) CVT fluid temperature sensor F23 13 - 25 20 (68) 6.5 kohms 80 (176) 0.9 kohms OK or NG OK: GO TO 6 . NG: GO TO 3.
  3. CHECK HARNESS BETWEEN TCM AND CVT FLUID TEMPERATURE SENSOR Turn ignition switch OFF. Disconnect the TCM connector (A) and CVT unit harness connector (B). Check continuity between TCM connector (A) terminals and CVT unit harness connector (B) terminals. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity TCM F23 13 Yes CVT unit harness connector F46 17 TCM F23 25 Yes CVT unit harness connector F46 19 If OK, check harness for short to ground and short to power. Reinstall any part removed. OK or NG OK: GO TO 4. NG: Repair or replace damaged parts.
  4. CHECK CVT FLUID TEMPERATURE SENSOR Turn ignition switch OFF. Disconnect CVT unit harness connector. Check resistance between CVT unit harness connector terminals. CONNECTOR TERMINAL RESISTANCE CHART Name Connector Terminal Temperature °C (°F) Resistance (Approx.) CVT fluid temperature sensor F46 17 - 19 20 (68) 6.5 kohms 80 (176) 0.9 kohms Reinstall any part removed. OK or NG OK: GO TO 6 . NG: GO TO 5.
  5. CHECK DTC With CONSULT-III Turn ignition switch ON. Perform "SELF-DIAG RESULTS" mode for "TRANSMISSION". Is only "P0710" detected? YES: Replace control valve. Refer to " «CONTROL VALVE»(ref-367317-S18908192842010072700000) ". NO: Replace transaxle assembly. Refer to " «REMOVAL AND INSTALLATION (MR20DE)»(ref-367317-S05305200852010072700000) " (MR20DE), " «REMOVAL AND INSTALLATION (QR25DE)»(ref-367317-S06117367962010072700000) " (QR25DE).
  6. CHECK TCM Check TCM input/output signals. Refer to " «TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE»(ref-367317-S09329992642010072700000) ". 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.

Remarks: Specification data are reference values.

Item nameConditionDisplay value
ENG SPEED SIGEngine runningClosely matches the tachometer reading.
PRI SPEED SENDuring driving (lock-up ON)Approximately matches the engine speed.

ITEM DISPLAY VALUE CHART

  1. Harness or connectors (Sensor circuit is open or shorted.)
  2. Primary speed sensor
  1. Turn ignition switch ON and select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  2. Start engine and maintain the following conditions for at least 5 consecutive seconds. VEHICLE SPEED: 10 km/h (6 MPH) or more ACC PEDAL OPEN: More than 1.0/8 RANGE: "D" position ENG SPEED: 450 rpm or more Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test.
  3. If DTC is detected, go to " «DIAGNOSIS PROCEDURE»(ref-367317-S31590768752010072700000) ".

Follow the procedure "WITH CONSULT-III".

Scheme 119

Scheme 119: Wiring Diagram - CVT - PRSCVT
Scheme 119: Wiring Diagram - CVT - PRSCVT

Refer to " TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE ".

Scheme 120

Scheme 120: Diagnosis Procedure
Scheme 120: Diagnosis Procedure

Scheme 121

Scheme 121
Scheme 121

Scheme 122

Scheme 122
Scheme 122

Scheme 123

Scheme 123
Scheme 123
  1. CHECK INPUT SIGNAL With CONSULT-III Start engine. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III. Start vehicle and read out the value of "VSP SENSOR". ITEM DISPLAY VALUE CHART Item name Condition Display value PRI SPEED SEN During driving (lock-up ON) Approximately matches the speedometer reading. OK or NG OK: GO TO 8 . NG: GO TO 2.
  2. CHECK PRIMARY SPEED SENSOR With CONSULT-III Start engine. Check power supply to primary speed sensor by voltage between TCM connector terminals 25, 46 and 48. Refer to " «CIRCUIT DIAGRAM»(ref-367317-S12188392672010072700000) ". CONNECTOR TERMINAL DATA CHART Item Connector Terminal Data (Approx.) TCM F23 25 - 46 Battery voltage 25 - 48 If OK, check the pulse when vehicle cruises. PRIMARY SPEED SENSOR REFERENCE Name Condition Primary speed sensor When running at 20 km/h (12 MPH) in "L" position, use the CONSULT-III pulse frequency measuring function. CAUTION: Connect the data link connector to the vehicle-side diagnosis connector. CONNECTOR TERMINAL DATA CHART Item Connector Terminal Name Data (Approx.) TCM F23 33 Primary speed sensor 880 Hz OK or NG OK: GO TO 8 . NG: GO TO 3.
  3. CHECK POWER AND SENSOR GROUND Turn ignition switch OFF. Disconnect the primary speed sensor harness connector. Turn ignition switch ON. Check voltage between primary speed sensor harness connector terminals. CONNECTOR TERMINAL DATA CHART Item Connector Terminal Data (Approx.) Primary speed sensor F38 3 - 1 Battery voltage Check voltage between primary speed sensor harness connector terminal and ground. CONNECTOR TERMINAL DATA CHART Item Connector Terminal Data (Approx.) Primary speed sensor F38 3 - ground Battery voltage If OK, check harness for short to ground and short to power. 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 .
  4. CHECK HARNESS BETWEEN TCM AND PRIMARY SPEED SENSOR Turn ignition switch OFF. Disconnect TCM connector (A) and primary speed sensor harness connector (B). Check continuity between TCM connector (A) terminal and primary speed sensor harness connector (B) terminal. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity TCM F23 33 Yes Primary speed sensor F38 2 If OK, check harness for short to ground and short to power. Reinstall any part removed. OK or NG OK: GO TO 5. NG: Repair open circuit or short to ground or short to power in harness or connectors.
  5. CHECK THE TCM SHORT Replace same type TCM, perform self-diagnosis check. Erase self-diagnostic results and them drive the vehicle [more than 40 km/h (25 MPH)], perform self-diagnosis check. Refer to " «DTC CONFIRMATION PROCEDURE»(ref-367317-S39940891982010072700000) ". Is "P0715 PRI SPEED SEN" detected again? YES: Replace the Primary speed sensor. Refer to " «PRIMARY SPEED SENSOR»(ref-367317-S14601247072010072700000) ". NO: Replace TCM. Refer to " «REMOVAL AND INSTALLATION»(ref-367317-S00278224642010072700000) ".
  6. CHECK HARNESS BETWEEN TCM AND PRIMARY SPEED SENSOR (POWER) Turn ignition switch OFF. Disconnect TCM connector, IPDM E/R connector, primary speed sensor and secondary speed sensor harness connector. Check continuity between TCM connector terminals, IPDM E/R harness connector terminal, primary speed sensor harness connector terminal and secondary speed sensor harness connector terminal. Refer to " «CIRCUIT DIAGRAM»(ref-367317-S12188392672010072700000) ". CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity TCM (1) F23 46, 48 Yes IPDM E/R (1) E43 14 Primary speed sensor (1) F38 3 Secondary speed sensor (1) F30 3 (1) Vehicle side If OK, check harness for short to ground and short to power. 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 PRIMARY SPEED SENSOR (SENSOR GROUND) Turn ignition switch OFF. Disconnect TCM connector (A) and primary speed sensor harness connector (B). Check continuity between TCM (A) connector terminal and primary speed sensor harness connector (B) terminal. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity TCM F23 25 Yes primary speed sensor F38 1 If OK, check harness for short to ground and short to power. Reinstall any part removed. OK or NG OK: GO TO 8. NG: Repair open circuit or short to ground or short to power in harness or connectors.
  8. CHECK DTC Perform " «DTC CONFIRMATION PROCEDURE»(ref-367317-S39940891982010072700000) ". OK or NG OK: INSPECTION END NG: GO TO 9.
  9. CHECK TCM Check TCM input/output signals. Refer to " «TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE»(ref-367317-S09329992642010072700000) ". 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.

Remarks: Specification data are reference values.

Item nameConditionDisplay value
VSP SENSORDuring drivingApproximately matches the speedometer reading.

ITEM DISPLAY VALUE CHART

  1. Harness or connectors (Sensor circuit is open or shorted.)
  2. Secondary speed sensor
  1. Turn ignition switch ON and select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  2. Start engine and maintain the following conditions for at least 12 consecutive seconds. ACC PEDAL OPEN: More than 1.0/8 RANGE: "D" position Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test.
  3. If DTC is detected, go to " «DIAGNOSIS PROCEDURE»(ref-367317-S10483998322010072700000) ".

Follow the procedure "WITH CONSULT-III".

Scheme 124

Scheme 124: Wiring Diagram - CVT - SESCVT
Scheme 124: Wiring Diagram - CVT - SESCVT

Refer to " TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE ".

Scheme 125

Scheme 125
Scheme 125

Scheme 126

Scheme 126
Scheme 126
  1. CHECK INPUT SIGNAL With CONSULT-III Start engine. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III. Start vehicle and read out the value of "VSP SENSOR". ITEM DISPLAY VALUE CHART Item name Condition Display value VSP SENSOR During driving Approximately matches the speedometer reading. OK or NG OK: GO TO 8 . NG: GO TO 2.
  2. CHECK SECONDARY SPEED SENSOR With CONSULT-III Start engine. Check power supply to secondary speed sensor by voltage between TCM connector terminals 7, 46 and 48. Refer to " «CIRCUIT DIAGRAM»(ref-367317-S12188392672010072700000) ". CONNECTOR TERMINAL DATA CHART Item Connector Terminal Data (Approx.) TCM F23 7- 46 Battery voltage 7 - 48 If OK, check the pulse when vehicle cruises. SECONDARY SPEED SENSOR CHART Name Condition 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 diagnosis connector. CONNECTOR TERMINAL DATA CHART Item Connector Terminal Name Data (Approx.) TCM F23 34 Secondary speed sensor 430 Hz OK or NG OK: GO TO 8 . NG: GO TO 3.
  3. CHECK POWER AND SENSOR GROUND Turn ignition switch OFF. Disconnect the secondary speed sensor harness connector. Turn ignition switch ON. Check voltage between secondary speed sensor harness connector terminals. CONNECTOR TERMINAL DATA CHART Item Connector Terminal Data (Approx.) Secondary speed sensor F30 3 - 1 Battery voltage Check voltage between secondary speed sensor harness connector terminal and ground. CONNECTOR TERMINAL DATA CHART Item Connector Terminal Data (Approx.) Secondary speed sensor F30 3 - ground Battery voltage If OK, check harness for short to ground and short to power. 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 .
  4. CHECK HARNESS BETWEEN TCM AND SECONDARY SPEED SENSOR Turn ignition switch OFF. Disconnect TCM connector (A) and secondary speed sensor harness connector (B). Check continuity between TCM connector (A) terminal and secondary speed sensor harness connector (B) terminal. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity TCM F23 34 Yes Secondary speed sensor F30 2 If OK, check harness for short to ground and short to power. Reinstall any part removed. OK or NG OK: GO TO 5. NG: Repair open circuit or short to ground or short to power in harness or connectors.
  5. CHECK THE TCM SHORT Replace same type TCM, perform self-diagnosis check. Erase self-diagnostic results and them drive the vehicle [more than 40 km/h (25 MPH)], perform self-diagnosis check. Refer to " «DTC CONFIRMATION PROCEDURE»(ref-367317-S39940891982010072700000) ". Is "P0720 VEH SPD SEN/CIR CVT" detected again? YES: Replace the Secondary speed sensor. Refer to " «SECONDARY SPEED SENSOR (MR20DE)»(ref-367317-S10743797512010072700000) ". NO: Replace TCM. Refer to " «REMOVAL AND INSTALLATION»(ref-367317-S00278224642010072700000) ".
  6. CHECK HARNESS BETWEEN TCM AND SECONDARY SPEED SENSOR (POWER) Turn ignition switch OFF. Disconnect TCM connector, IPDM E/R connector, primary speed sensor and secondary speed sensor harness connector. Check continuity between TCM connector terminals, IPDM E/R harness connector terminal, primary speed sensor harness connector terminal and secondary speed sensor harness connector terminal. Refer to " «CIRCUIT DIAGRAM»(ref-367317-S12188392672010072700000) ". CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity TCM (1) F23 46, 48 Yes IPDM E/R (1) E43 14 Primary speed sensor (1) F38 3 Secondary speed sensor (1) F30 3 (1) Vehicle side If OK, check harness for short to ground and short to power. 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 SECONDARY SPEED SENSOR (SENSOR GROUND) Turn ignition switch OFF. Disconnect TCM connector (A) and secondary speed sensor harness connector (B). Check continuity between TCM connector (A) terminal and secondary speed sensor harness connector (B) terminal. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity TCM F23 7 Yes Secondary speed sensor F30 1 If OK, check harness for short to ground and short to power. Reinstall any part removed. OK or NG OK: GO TO 8. NG: Repair open circuit or short to ground or short to power in harness or connectors.
  8. CHECK DTC Perform " «DTC CONFIRMATION PROCEDURE»(ref-367317-S39940891982010072700000) ". OK or NG OK: INSPECTION END NG: GO TO 9.
  9. CHECK TCM Check TCM input/output signals. Refer to " «TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE»(ref-367317-S09329992642010072700000) ". 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.

Remarks: Specification data are reference values.

Item nameConditionDisplay value
ENG SPEED SIGEngine runningClosely matches the tachometer reading.
ACC PEDAL OPENReleased accelerator pedal - Fully depressed accelerator pedal0.0/8 - 8.0/8

ITEM DISPLAY VALUE CHART

Harness or connectors

(The ECM to the TCM circuit is open or shorted.)

  1. Turn ignition switch ON and select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  2. Start engine and maintain the following conditions for at least 10 consecutive seconds. PRI SPEED SEN: More than 1000 rpm
  3. If DTC is detected, go to " «DIAGNOSIS PROCEDURE»(ref-367317-S30366245642010072700000) ".

Remarks: Specification data are reference values.

Item nameConditionDisplay value (Approx.)
GEAR RATIODuring driving2.34 - 0.39

ITEM DISPLAY VALUE CHART

Transaxle assembly

  1. Turn ignition switch ON and select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  2. Make sure that output voltage of CVT fluid temperature sensor is within the range below. ATF TEMP SEN: 1.0 - 2.0 V If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid)
  3. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  4. Start engine and maintain the following conditions for at least 30 consecutive seconds. TEST START FROM 0 km/h (0 MPH) CONSTANT ACCELERATION: Keep 30 sec or more VEHICLE SPEED: 10 km/h (6 MPH) or more ACC PEDAL OPEN: More than 1.0/8 RANGE: "D" position ENG SPEED: 450 rpm or more
  5. If DTC is detected, go to " «DIAGNOSIS PROCEDURE»(ref-367317-S21159062662010072700000) ".

Remarks: Specification data are reference values.

Item nameConditionDisplay value (Approx.)
ISOLT1Lock-up OFF0.0 A
Lock-up ON0.7 A

ITEM DISPLAY VALUE CHART

  1. Torque converter clutch solenoid valve
  2. Harness or connectors (Solenoid circuit is open or shorted.)
  1. Turn ignition switch ON.
  2. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III and wait at least 10 consecutive seconds.
  3. If DTC is detected, go to " «DIAGNOSIS PROCEDURE»(ref-367317-S00387955092010072700000) ".

Follow the procedure "WITH CONSULT-III".

Scheme 127

Scheme 127: Wiring Diagram - CVT - TCV
Scheme 127: Wiring Diagram - CVT - TCV

Refer to " TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE ".

Scheme 128

Scheme 128: Diagnosis Procedure
Scheme 128: Diagnosis Procedure

Scheme 129

Scheme 129
Scheme 129
  1. CHECK INPUT SIGNAL With CONSULT-III Start engine. Select "MAIN SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III. Start vehicle and read out the value of "ISOLT1". ITEM DISPLAY VALUE CHART Item name Condition Display value (Approx.) ISOLT1 Lock-up OFF 0.0 A Lock-up ON 0.7 A Without CONSULT-III Start engine. Check voltage between TCM connector terminal and ground. CONNECTOR TERMINAL VOLTAGE CHART Name Connector Terminal Condition Voltage (Approx.) Torque converter clutch solenoid valve F23 38 - ground When vehicle cruises in "D" position Lock-up ON 6.0 V Lock-up OFF 1.5 V Turn ignition switch OFF. Disconnect TCM connector. Check if there is continuity between the connector terminal and ground. OK or NG OK: GO TO 6 . NG: GO TO 2.
  2. CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE CIRCUIT Turn ignition switch OFF. Disconnect TCM connector. Check resistance between TCM connector terminal and ground. CONNECTOR TERMINAL RESISTANCE CHART Solenoid valve Connector Terminal Resistance (Approx.) Torque converter clutch solenoid valve F23 38 - Ground 3 - 9 ohms OK or NG OK: GO TO 6 . NG: GO TO 3.
  3. CHECK HARNESS BETWEEN TCM AND TORQUE CONVERTER CLUTCH SOLENOID VALVE Turn ignition switch OFF. Disconnect TCM connector (A) and CVT unit harness connector (B). Check continuity between TCM connector terminal (A) and CVT unit harness connector terminal (B). CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity TCM F23 38 Yes CVT unit harness connector F46 12 If OK, check harness for short to ground and short to power. If OK, check continuity between ground and CVT assembly. Reinstall any part removed. OK or NG OK: GO TO 4. NG: Repair or replace damaged parts.
  4. CHECK VALVE RESISTANCE Turn ignition switch OFF. Disconnect CVT unit harness connector. Check resistance between CVT unit harness connector terminal and ground. CONNECTOR TERMINAL RESISTANCE CHART Solenoid Valve Connector Terminal Resistance (Approx.) Torque converter clutch solenoid valve F46 12 - Ground 3 - 9 ohms OK or NG OK: GO TO 6 . NG: GO TO 5.
  5. CHECK DTC With CONSULT-III Turn ignition switch ON. Perform "SELF-DIAG RESULTS" mode for "TRANSMISSION". Is only "P0740" detected? YES: Replace control valve. Refer to " «CONTROL VALVE»(ref-367317-S18908192842010072700000) ". NO: Replace transaxle assembly. Refer to " «REMOVAL AND INSTALLATION (MR20DE)»(ref-367317-S05305200852010072700000) " (MR20DE), " «REMOVAL AND INSTALLATION (QR25DE)»(ref-367317-S06117367962010072700000) " (QR25DE).
  6. CHECK TCM Check TCM input/output signals. Refer to " «TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE»(ref-367317-S09329992642010072700000) ". 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.

Remarks: Specification data are reference values.

Item nameConditionDisplay value
ENG SPEED SIGEngine runningClosely matches the tachometer reading.
PRI SPEED SENDuring driving (lock-up ON)Approximately matches the engine speed.

ITEM DISPLAY VALUE CHART

  1. Torque converter clutch solenoid valve
  2. Hydraulic control circuit
  1. Turn ignition switch ON.
  2. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  3. Start engine and maintain the following condition for at least 30 seconds. ACC PEDAL OPEN: More than 1.0/8 RANGE: "D" position [Vehicle speed: Constant speed of more than 40 km/h (25 MPH)]
  4. If DTC is detected go to " «DIAGNOSIS PROCEDURE»(ref-367317-S04402224922010072700000) ".

Follow the procedure "WITH CONSULT-III".

Remarks: Specification data are reference values.

Item nameConditionDisplay value (Approx.)
ISOLT2Release your foot from the accelerator pedal0.8 A
Press the accelerator pedal all the way down0.0 A

ITEM DISPLAY VALUE CHART

  1. Harness or connectors (Solenoid circuit is open or shorted.)
  2. Line pressure solenoid valve
  1. Turn ignition switch ON and select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  2. Start engine and wait at least 5 seconds.
  3. If DTC is detected, go to " «DIAGNOSIS PROCEDURE»(ref-367317-S29569162172010072700000) ".

Follow the procedure "WITH CONSULT-III".

Scheme 130

Scheme 130: Wiring Diagram - CVT - LPSV
Scheme 130: Wiring Diagram - CVT - LPSV

Refer to " TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE ".

Scheme 131

Scheme 131: Diagnosis Procedure
Scheme 131: Diagnosis Procedure

Scheme 132

Scheme 132
Scheme 132

Scheme 133

Scheme 133
Scheme 133
  1. CHECK INPUT SIGNAL With CONSULT-III Start engine. Select "MAIN SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III. Read out the value of "ISOLT2". ITEM DISPLAY VALUE CHART Item name Condition Display value (Approx.) ISOLT2 Release your foot from the accelerator pedal. 0.8 A Press the accelerator pedal all the way down. 0.0 A Without CONSULT-III Start engine. Check voltage between TCM connector terminal and ground. CONNECTOR TERMINAL VOLTAGE CHART Name Connector Terminal Condition Voltage (Approx.) Line pressure solenoid valve F23 40 - ground Release your foot from the accelerator pedal. 5.0 - 7.0 V Press the accelerator pedal all the way down. 1.0 V Turn ignition switch OFF. Disconnect TCM connector. Check if there is continuity between connector terminal and ground. OK or NG OK: GO TO 5 . NG: GO TO 2.
  2. CHECK LINE PRESSURE SOLENOID VALVE CIRCUIT Turn ignition switch OFF. Disconnect TCM connector. Check resistance between TCM connector terminal and ground. CONNECTOR TERMINAL RESISTANCE CHART Solenoid valve Connector Terminal Resistance (Approx.) Line pressure solenoid valve F23 40 - ground 3.0 - 9.0 ohms OK or NG OK: GO TO 5 . NG: GO TO 3.
  3. CHECK VALVE RESISTANCE Turn ignition switch OFF. Disconnect CVT unit harness connector. Check resistance between CVT unit harness connector terminal and ground. CONNECTOR TERMINAL RESISTANCE CHART Solenoid valve Connector Terminal Resistance (Approx.) Line pressure solenoid valve F46 2 - Ground 3.0 - 9.0 ohms OK or NG OK: GO TO 4. NG: Replace the transaxle assembly. Refer to " «REMOVAL AND INSTALLATION (MR20DE)»(ref-367317-S05305200852010072700000) ".
  4. CHECK HARNESS BETWEEN TCM AND LINE PRESSURE SOLENOID VALVE Turn ignition switch OFF. Disconnect CVT unit harness connector (B) and TCM connector (A). Check continuity between TCM connector (A) terminal and CVT unit harness connector (B) terminal. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity TCM F23 40 Yes CVT unit harness connector F46 2 If OK, check harness for short to ground and short to power. If OK, check continuity between ground and CVT assembly. Reinstall any part removed. OK or NG OK: GO TO 5. NG: Repair open circuit or short to ground or short to power in harness or connectors.
  5. CHECK DTC Perform " «DTC CONFIRMATION PROCEDURE»(ref-367317-S36432663822010072700000) ". OK or NG OK: INSPECTION END NG: GO TO 6.
  6. CHECK TCM Check TCM input/output signals. Refer to " «TCM INPUT/OUTPUT SIGNAL REFERENCE VALUE»(ref-367317-S09329992642010072700000) ". 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. Replace the transaxle assembly. Refer to " «REMOVAL AND INSTALLATION (MR20DE)»(ref-367317-S05305200852010072700000) " (MR20DE), " «REMOVAL AND INSTALLATION (QR25DE)»(ref-367317-S06117367962010072700000) " (QR25DE).