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Continuously Variable Transmission (Diagnostics): Wiring Subaru Forester SJ

Automatic Trans 5 illustrations ~513 words

WIRING DIAGRAM

  1. Non-turbo model CVT control system < Ref. to «NON-TURBO MODEL»(ref-662145-S35292137642014101300000) , WIRING DIAGRAM, CVT Control System. >
  2. Turbo model CVT control system < Ref. to «TURBO MODEL»(ref-662145-S23151071822014101300000) , WIRING DIAGRAM, CVT Control System. >
StepCheckYesNo
1 CHECK INPUT SIGNAL FOR TCM. Turn the ignition switch to ON. Move the select lever to each range, and read the data of «P range», «R Range Signal», «N range» and «D Range Signal» using the Subaru Select Monitor.Is the display of the corresponding range "ON"?Go to step 7 .Go to step 2 .
2 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance of harness between TCM connector and transmission connector. Connector & terminal Non-turbo model (B54) No. 5 - (B12) No. 1: (B54) No. 18 - (B12) No. 2: (B54) No. 9 - (B12) No. 3: (B54) No. 22 - (B12) No. 4: Turbo model (B54) No. 5 - (B12) No. 3: (B54) No. 18 - (B12) No. 2: (B54) No. 9 - (B12) No. 1: (B54) No. 22 - (B12) No. 8Is each resistance less than 1 ohms?Go to step 3 .Repair the open circuit of body harness.
3 CHECK HARNESS. Measure the resistance of harness between inhibitor switch connector and transmission ground. Connector & terminal (T7) No. 1 - Transmission groundIs the resistance less than 1 ohms?Go to step 4 .Repair the open circuit of harness.
4 CHECK HARNESS. Disconnect the inhibitor switch connector. Measure the resistance between transmission connector and inhibitor switch connector. Connector & terminal Non-turbo model (T3) No. 1 - (T7) No. 2: (T3) No. 2 - (T7) No. 5: (T3) No. 3 - (T7) No. 3: (T3) No. 4 - (T7) No. 4: Turbo model (T3) No. 3 - (T7) No. 2: (T3) No. 2 - (T7) No. 5: (T3) No. 1 - (T7) No. 3: (T3) No. 8 - (T7) No. 4Is each resistance less than 1 ohms?Go to step 5 .Repair the open circuit of transmission harness.
5 CHECK INHIBITOR SWITCH. Move the select lever to each range, and measure the resistance between inhibitor switch connector terminals. Connector & terminal (T7) No. 2 - (T7) No. 1: (T7) No. 5 - (T7) No. 1: (T7) No. 3 - (T7) No. 1: (T7) No. 4 - (T7) No. 1Is the resistance of the corresponding range less than 1 Mohms?Go to step 6 .Replace the inhibitor switch. < Ref. to INHIBITOR SWITCH . > < Ref. to INHIBITOR SWITCH . >
6 CHECK HARNESS. Turn the ignition switch to ON. Measure the voltage between each connector and chassis ground. Connector & terminal Transmission connector (B12 side) Non-turbo model (B12) No. 1 (+) - Chassis ground (-): (B12) No. 2 (+) - Chassis ground (-): (B12) No. 3 (+) - Chassis ground (-): (B12) No. 4 (+) - Chassis ground (-): Turbo model (B12) No. 3 (+) - Chassis ground (-): (B12) No. 2 (+) - Chassis ground (-): (B12) No. 1 (+) - Chassis ground (-): (B12) No. 8 (+) - Chassis ground (-): Transmission connector (T7 side) (T7) No. 2 (+) - Chassis ground (-): (T7) No. 5 (+) - Chassis ground (-): (T7) No. 3 (+) - Chassis ground (-): (T7) No. 4 (+) - Chassis ground (-)Is each voltage less than 1 V?Go to step 7 .Repair the harness which outputs 1 V or more.
7 CHECK FOR POOR CONTACT.Is there poor contact between TCM, inhibitor switch, transmission ground?Repair the poor contact.Check the TCM.

DTC PROCEDURE

  1. Non-turbo model CVT control system < Ref. to «NON-TURBO MODEL»(ref-662145-S35292137642014101300000) , WIRING DIAGRAM, CVT Control System. >
  2. Turbo model CVT control system < Ref. to «TURBO MODEL»(ref-662145-S23151071822014101300000) , WIRING DIAGRAM, CVT Control System. >
StepCheckYesNo
1 CHECK HARNESS. Turn the ignition switch to ON. Measure the voltage between TCM connectors. Connector & terminal (B54) No. 3 (+) - (B54) No. 16 (-)Is the voltage 5 V or more?Repair the short circuit of harness.Go to step 2 .
2 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance between TCM connector and transmission connectors. Connector & terminal Non-turbo model (B54) No. 3 - (B11) No. 5: (B54) No. 16 - (B11) No. 9: Turbo model (B54) No. 3 - (B11) No. 16: (B54) No. 16 - (B11) No. 19Is the resistance less than 1 ohms?Go to step 3 .Repair the open circuit of body harness.
3 CHECK ATF TEMPERATURE SENSOR. Measure the resistance between transmission connector terminals. Connector & terminal Non-turbo model (T4) No. 5 - No. 9: Turbo model (T4) No. 16 - No. 19Is the resistance 1 Mohms or more?Non-turbo model Go to step 4 . Turbo model Repair the open circuit of transmission harness.Go to step 5 .
4 CHECK HARNESS. CAUTION: Start work after ATF cools down. Remove the transmission valve cover. Measure the resistance between transmission connector and control valve body connector. Connector & terminal (T4) No. 5 - (T11) No. 1: (T4) No. 9 - (T11) No. 6Is the resistance less than ohms?Repair the open circuit of transmission harness on the outside of the transmission.Repair the open circuit of transmission harness on the control valve side.
5 CHECK ATF TEMPERATURE SENSOR. Connect the connectors to TCM and transmission. Start the engine. Warm up until the ATF temperature exceeds 50°C (122°F). Turn the ignition switch to OFF. Disconnect the transmission connector. Measure the resistance between transmission connector terminals. Connector & terminal Non-turbo model (T4) No. 5 - No. 9: Turbo model (T4) No. 16 - No. 19Is resistance as follows? Non-turbo model 650 - 990 ohms Turbo model 730 - 1120 ohmsGo to step 6 .Go to step 8 .
6 CHECK ATF TEMPERATURE SENSOR. Measure the resistance between transmission connector terminals. Connector & terminal Non-turbo model (T4) No. 5 - No. 9: Turbo model (T4) No. 16 - No. 19Does the resistance value increase gradually while the ATF temperature decreases?Go to step 7 .Non-turbo model Replace the control valve body. < Ref. to CONTROL VALVE BODY . > Turbo model Replace the transmission harness.
7 CHECK INPUT SIGNAL FOR TCM. Connect the transmission connector. Turn the ignition switch to ON. (Do not start engine.) Read the data of «ATF Temp.» using the Subaru Select Monitor.Does the ATF temperature gradually decrease?Check for poor contact of the ATF temperature sensor and transmission connector harness, and repair the defective part.Go to step 8 .
8 CHECK FOR POOR CONTACT.Is there poor contact of ATF temperature sensor circuit?Repair the poor contact.Check the TCM.
CAUTION
Start work after ATF cools down.

DTC PROCEDURE

CVT control system < Ref. to NON-TURBO MODEL , WIRING DIAGRAM, CVT Control System. >

Scheme 935

Scheme 935: WIRING DIAGRAM
Scheme 935: WIRING DIAGRAM
StepCheckYesNo
1 CHECK FUSE. Turn the ignition switch to OFF. Remove the fuse (7.5 A) from the fuse holder.Is the fuse OK?Go to step 2 .Replace the fuse. If the fuse blows out easily, repair the short circuit of harness.
2 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance between TCM connector and transmission connectors. Connector & terminal (B54) No. 1 - (B12) No. 7: (B54) No. 20 - (B12) No. 9: (B550) No. 20 - (B12) No. 6Is the resistance less than 1 ohms?Go to step 3 .Repair the open circuit of harness.
3 CHECK HARNESS. Measure the resistance between TCM connector and chassis ground. Connector & terminal (B54) No. 20 - Chassis groundIs the resistance 1 Mohms or more?Go to step 4 .Repair the short circuit of harness.
4 CHECK TRANSMISSION HARNESS. Connect the TCM connector. Turn the ignition switch to ON. Measure the voltage between transmission connector terminals. Connector & terminal (B12) No. 6 (+) - (B12) No. 7 (-)Is the voltage 10 - 13 V?Go to step 5 .Repair the open circuit of harness or poor contact of connector.
5 CHECK INPUT SIGNAL FOR TCM. Turn the ignition switch to OFF. Connect the transmission connector. Start the engine. Read the data of «Turbine Revolution Speed» using the Subaru Select Monitor.Does the value of «Turbine Revolution Speed» change according to the engine speed?Current condition is normal. Repair the poor contacts of harnesses of turbine speed sensor and transmission connector.Go to step 6 .
6 CHECK TRANSMISSION HARNESS. Turn the ignition switch to OFF. Disconnect the transmission connector. Lift up the vehicle. Disconnect the turbine speed sensor connector. Measure the resistance between transmission connector and turbine speed sensor connector. Connector & terminal (T3) No. 6 - (AT5) No. 1: (T3) No. 7 - (AT5) No. 3: (T3) No. 9 - (AT5) No. 2Is the resistance less than 1 ohms?Replace the turbine speed sensor. < Ref. to TURBINE SPEED SENSOR . >Replace the transmission harness.

DTC PROCEDURE

CVT control system < Ref. to TURBO MODEL , WIRING DIAGRAM, CVT Control System. >

Scheme 936

Scheme 936: WIRING DIAGRAM
Scheme 936: WIRING DIAGRAM
StepCheckYesNo
1 CHECK FUSE. Turn the ignition switch to OFF. Remove the fuse (7.5 A) from the fuse holder.Is the fuse OK?Go to step 2 .Replace the fuse. If the fuse blows out easily, repair the short circuit of harness.
2 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance between TCM connector and transmission connectors. Connector & terminal (B54) No. 1 - (B11) No. 13: (B54) No. 20 - (B11) No. 12: (B550) No. 20 - (B11) No. 7Is the resistance less than 1 ohms?Go to step 3 .Repair the open circuit of harness.
3 CHECK HARNESS. Measure the resistance between TCM connector and chassis ground. Connector & terminal (B54) No. 20 - Chassis groundIs the resistance 1 Mohms or more?Go to step 4 .Repair the short circuit of harness.
4 CHECK TRANSMISSION HARNESS. Connect the TCM connector. Turn the ignition switch to ON. Measure the voltage between transmission connector terminals. Connector & terminal (B11) No. 7 (+) - (B11) No. 13 (-)Is the voltage approx. 10 - 13 V?Go to step 5 .Repair the open circuit of harness or poor contact of connector.
5 CHECK INPUT SIGNAL FOR TCM. Turn the ignition switch to OFF. Connect the transmission connector. Lift up the vehicle. Start the engine. Slowly increase the speed to 30 km/h (18 MPH). Read the data of «Front Wheel Speed» using Subaru Select Monitor.Does the value of «Front Wheel Speed» change according to the engine speed?Current condition is normal. Repair the poor contacts of harnesses of front wheel speed sensor and transmission connector.Go to step 6 .
6 CHECK TRANSMISSION HARNESS. Turn the ignition switch to OFF. Disconnect the transmission connector. Lift up the vehicle. Disconnect the front wheel speed sensor connector. Measure the resistance between transmission connector and front wheel speed sensor connector. Connector & terminal (T4) No. 7 - (AT5) No. 1: (T4) No. 12 - (AT5) No. 2: (T4) No. 13 - (AT5) No. 3Is the resistance less than 1 ohms?Replace the front wheel speed sensor. < Ref. to FRONT WHEEL SPEED SENSOR . >Replace the transmission harness.

DTC PROCEDURE

  1. Non-turbo model (without EyeSight and X mode) Stop light system < Ref. to «EXTERIOR LIGHTS»(ref-607950-S40606767522014040300000) NON-TURBO MODEL (WITHOUT EyeSight AND X MODE), WIRING DIAGRAM, Stop Light System. >
  2. Except for non-turbo model (without EyeSight and X mode) Stop light system < Ref. to «EXTERIOR LIGHTS»(ref-607950-S40606767522014040300000) EXCEPT FOR NON-TURBO MODEL (WITHOUT EyeSight AND X MODE), WIRING DIAGRAM, Stop Light System. >
StepCheckYesNo
1 CHECK STOP LIGHT SWITCH. Turn the ignition switch to OFF. Disconnect the stop light switch connector. Measure the resistance of harness between stop light switch connectors. Connector & terminal (B65) No. 3 - No. 4Is the resistance 1 Mohms or more?Go to step 2 .Replace the stop light switch. < Ref. to STOP LIGHT SWITCH . >
2 CHECK HARNESS. Disconnect the TCM connector. Turn the ignition switch to ON. Measure the voltage between TCM connector and chassis ground. Connector & terminal (B55) No. 13 (+) - Chassis ground (-)Is the voltage 10 V or more?Repair the short circuit of harness.Go to step 3 .
3 CHECK INPUT SIGNAL FOR TCM. Connect the TCM and stop light switch connector. Turn the ignition switch to ON. Read the data of «Stop Light Switch» using Subaru Select Monitor.Is "OFF" displayed?Current condition is normal. Check for poor contact in connectors or harnesses, and repair the defective part.Go to step 4 .
4 CHECK FOR POOR CONTACT.Is there poor contact of input signal of stop light switch?Repair the poor contact.Check the TCM.

DTC PROCEDURE

  1. Non-turbo model CVT control system < Ref. to «NON-TURBO MODEL»(ref-662145-S35292137642014101300000) , WIRING DIAGRAM, CVT Control System. >
  2. Turbo model CVT control system < Ref. to «TURBO MODEL»(ref-662145-S23151071822014101300000) , WIRING DIAGRAM, CVT Control System. >
StepCheckYesNo
1 CHECK INPUT SIGNAL FOR TCM. Start the engine. Warm up until the ATF temperature reaches to 40 - 70°C (104 - 158°F). Shift the select lever to "P" range. Stabilize the engine speed at idle. Read the data of «Actual secondary pressure » using Subaru Select Monitor.Is the «Actual secondary pressure » 0.5 - 1.5 MPa?Check for poor contact of connector.Go to step 2 .
2 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Turn the ignition switch to ON. Measure the voltage between TCM connector and chassis ground. Connector & terminal (B54) No. 2 (+) - Chassis ground (-): (B54) No. 17 (+) - Chassis ground (-)Is the voltage approx. 0 V?Go to step 3 .Repair the short circuit of harness.
3 CHECK HARNESS. Turn the ignition switch to OFF. Measure the resistance between TCM connector terminals. Connector & terminal (B54) No. 2 - (B54) No. 17Is the resistance less than 1 ohms?Repair the short circuit of harness.Go to step 4 .
4 CHECK TRANSMISSION HARNESS. Disconnect the secondary pressure sensor connector. Turn the ignition switch to ON. Measure the voltage between transmission connector and chassis ground. Connector & terminal Non-turbo model (T3) No. 11 (+) - Chassis ground (-): (T3) No. 12 (+) - Chassis ground (-): Turbo model (T4) No. 14 (+) - Chassis ground (-): (T4) No. 17 (+) - Chassis ground (-)Is the voltage approx. 0 V?Go to step 5 .Repair the short circuit of harness.
5 CHECK TRANSMISSION HARNESS. Turn the ignition switch to OFF. Measure the resistance between transmission connector terminals. Connector & terminal Non-turbo model (T3) No. 11 - (T3) No. 12: Turbo model (T4) No. 14 - (T4) No. 17Is the resistance less than 1 ohms?Repair the short circuit of harness.Go to step 6 .
6 CHECK SENSOR POWER SUPPLY. Connect the connectors of TCM and transmission. Turn the ignition switch to ON. Measure the voltage between secondary pressure sensor connector terminals. Connector & terminal (AT6) No. 1 (+) - (AT6) No. 3 (-)Is the voltage 4.5 V or more?Replace the secondary pressure sensor. < Ref. to SECONDARY PRESSURE SENSOR . > < Ref. to SECONDARY PRESSURE SENSOR . >Check for poor contact of the connector, and repair the defective part.

DTC PROCEDURE

CVT control system < Ref. to NON-TURBO MODEL , WIRING DIAGRAM, CVT Control System. > < Ref. to TURBO MODEL , WIRING DIAGRAM, CVT Control System. >

Scheme 937

Scheme 937: WIRING DIAGRAM
Scheme 937: WIRING DIAGRAM
StepCheckYesNo
1 CHECK HARNESS. Disconnect the TCM and self shut relay connectors. Measure the resistance between TCM connector and self shut relay connector. Connector & terminal (B55) No. 20 - (B220) No. 16: (B55) No. 2 - (B220) No. 15: (B55) No. 11 - (B220) No. 15: (B55) No. 22 - (B220) No. 15Is the resistance less than 1 ohms?Go to step 2 .Repair the open circuit of harness.
2 CHECK HARNESS. Measure the resistance between TCM connector and chassis ground. Connector & terminal (B55) No. 20 - Chassis ground: (B55) No. 2 - Chassis ground: (B55) No. 11 - Chassis ground: (B55) No. 22 - Chassis groundIs the resistance 1 Mohms or more?Go to step 3 .Repair the short circuit of harness.
3 CHECK RELAY POWER SUPPLY. Measure the voltage between self shut relay connector and chassis ground. Connector & terminal (B220) No. 14 (+) - Chassis ground (-): (B220) No. 17 (+) - Chassis ground (-)Is the voltage 10 V or more?Go to step 4 .Repair the open or short circuit of harness.
4 CHECK SELF SHUT RELAY. Measure the resistance between self shut relay terminals. Connector & terminal (B220) No. 16 - (B220) No. 17Is the resistance 110 - 140 ohms?Go to step 5 .Replace the self shut relay.
5 CHECK SELF SHUT RELAY. Measure the resistance between self shut relay terminals. Connector & terminal (B220) No. 14 - (B220) No. 15Is the resistance 1 Mohms or more?Go to step 6 .Replace the self shut relay.
6 CHECK INPUT SIGNAL FOR TCM. Connect the connectors of TCM and self shut relay. Read the data of «Control module voltage» using Subaru Select Monitor.Is the «Control module voltage » 10 V or more?Current condition is normal. Check for poor contact in connectors or harnesses, and repair the defective part.Go to step 7 .
7 CHECK FOR POOR CONTACT.Is there poor contact of the self shut relay circuit?Repair the poor contact.Check the TCM.

DTC PROCEDURE

CVT control system < Ref. to CVT CONTROL SYSTEM . >

Scheme 938

Scheme 938: WIRING DIAGRAM
Scheme 938: WIRING DIAGRAM
StepCheckYesNo
1 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the manual mode switch connector. Measure the resistance between manual mode switch connector and chassis ground. Connector & terminal (B116) No. 8 - Chassis groundIs the resistance less than 1 ohms?Go to step 2 .Repair the open circuit of harness.
2 CHECK MANUAL MODE SWITCH. Measure the resistance between manual mode switch terminals. Connector & terminal (B116) No. 7 - No. 8Is the resistance 1 Mohms or more?Go to step 3 .Replace the select lever assembly. < Ref. to SELECT LEVER . >
3 CHECK MANUAL MODE SWITCH. Shift the select lever to manual mode. Measure the resistance between manual mode switch terminals. Connector & terminal (B116) No. 7 - No. 8Is the resistance less than 1 ohms?Go to step 4 .Replace the select lever assembly. < Ref. to SELECT LEVER . >
4 CHECK HARNESS. Disconnect the TCM connector. Measure the resistance between TCM connector and manual mode switch connector. Connector & terminal (B55) No. 4 - (B116) No. 7Is the resistance less than 1 ohms?Go to step 5 .Repair the open circuit of harness or poor contact of connector.
5 CHECK HARNESS. Measure the resistance between manual mode switch connector and chassis ground. Connector & terminal (B116) No. 7 - Chassis groundIs the resistance 1 Mohms or more?Go to step 6 .Repair the short circuit of harness.
6 CHECK INPUT SIGNAL FOR TCM. Connect the TCM and manual mode switch connector. Turn the ignition switch to ON. Set the select lever to "D" range. Read the data of «Tiptronic Mode Switch» using Subaru Select Monitor.Does the value of «Tiptronic Mode Switch» change to "ON" with select lever in manual mode, and "OFF" with select lever in other than manual mode?Current condition is normal.Go to step 7 .
7 CHECK FOR POOR CONTACT.Is there poor contact of the manual mode switch circuit?Repair the poor contact.Check the TCM.

DTC PROCEDURE

  1. Non-turbo model CVT control system < Ref. to «NON-TURBO MODEL»(ref-662145-S35292137642014101300000) , WIRING DIAGRAM, CVT Control System. >
  2. Turbo model CVT control system < Ref. to «TURBO MODEL»(ref-662145-S23151071822014101300000) , WIRING DIAGRAM, CVT Control System. >
StepCheckYesNo
1 CHECK INPUT SIGNAL FOR TCM. After driving with warm up condition, park the vehicle while depressing the brake pedal at "N" range. Read the data of «Sec. Sol. Set Current» and «Sec. Sol. Actual Current» using Subaru Select Monitor.Does the value of «Sec. Sol. Set Current» and «Sec. Sol. Actual Current» almost correspond?Check for poor contact of connector.Go to step 2 .
2 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance between TCM connector and transmission connectors. Connector & terminal Non-turbo model (B54) No. 12 - (B11) No. 6: Turbo model (B54) No. 12 - (B11) No. 5Is the resistance less than 1 ohms?Go to step 3 .Repair the open circuit of harness.
3 CHECK HARNESS. Turn the ignition switch to ON. Measure the voltage between TCM connector and chassis ground. Connector & terminal (B54) No. 12 (+) - Chassis ground (-)Is the voltage approx. 0 V?Go to step 4 .Repair the short circuit of harness.
4 CHECK SECONDARY SOLENOID. Measure the resistance between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 6 - Transmission body: Turbo model (T4) No. 5 - Transmission bodyIs the resistance approx. 7 ohms? (when engine cold)Check for poor contact of the connector, and repair the defective part.Go to step 5 .
5 CHECK HARNESS INSIDE TRANSMISSION. CAUTION: Start work after ATF cools down. Remove the following parts. Transmission valve cover (non-turbo model) Transmission oil pan (turbo model) Check for the harness pinch, damage.Is the harness normal?Go to step 6 .Replace the transmission harness.
6 CHECK HARNESS INSIDE TRANSMISSION. Disconnect the control valve body connector. Turn the ignition switch to ON. Measure the voltage between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 6 (+) - Transmission body (-): Turbo model (T4) No. 5 (+) - Transmission body (-)Is the voltage approx. 0 V?Replace the control valve body. < Ref. to CONTROL VALVE BODY . > < Ref. to CONTROL VALVE BODY . >Replace the transmission harness.
CAUTION
Start work after ATF cools down.

DTC PROCEDURE

  1. Non-turbo model CVT control system < Ref. to «NON-TURBO MODEL»(ref-662145-S35292137642014101300000) , WIRING DIAGRAM, CVT Control System. >
  2. Turbo model CVT control system < Ref. to «TURBO MODEL»(ref-662145-S23151071822014101300000) , WIRING DIAGRAM, CVT Control System. >
StepCheckYesNo
1 CHECK INPUT SIGNAL FOR TCM. After driving with warm up condition, park the vehicle while depressing the brake pedal at "D" range. Read the data of «F&R Linear Solenoid Set Current» and «F&R Linear Solenoid Actual Current » using Subaru Select Monitor.Does the value of «F&R Linear Solenoid Set Current» and «F&R Linear Solenoid Actual Current» almost correspond?Check for poor contact of connector.Go to step 2 .
2 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance between TCM connector and transmission connectors. Connector & terminal Non-turbo model (B54) No. 11 - (B11) No. 7: Turbo model (B54) No. 11 - (B11) No. 9Is the resistance less than 1 ohms?Go to step 3 .Repair the open circuit of harness.
3 CHECK HARNESS. Turn the ignition switch to ON. Measure the voltage between TCM connector and chassis ground. Connector & terminal (B54) No. 11 (+) - Chassis ground (-)Is the voltage approx. 0 V?Go to step 4 .Repair the short circuit of harness.
4 CHECK F&R SOLENOID. Measure the resistance between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 7 - Transmission body: Turbo model (T4) No. 9 - Transmission bodyIs the resistance approx. 6 ohms? (when engine cold)Check for poor contact of the connector, and repair the defective part.Go to step 5 .
5 CHECK HARNESS INSIDE TRANSMISSION. CAUTION: Start work after ATF cools down. Remove the following parts. Transmission valve cover (non-turbo model) Transmission oil pan (turbo model) Check for the harness pinch, damage.Is the harness normal?Go to step 6 .Replace the transmission harness.
6 CHECK HARNESS INSIDE TRANSMISSION. Disconnect the control valve body connector. Turn the ignition switch to ON. Measure the voltage between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 7 (+) - Transmission body (-): Turbo model (T4) No. 9 (+) - Transmission body (-)Is the voltage approx. 0 V?Replace the control valve body. < Ref. to CONTROL VALVE BODY . > < Ref. to CONTROL VALVE BODY . >Replace the transmission harness.
CAUTION
Start work after ATF cools down.

DTC PROCEDURE

  1. Non-turbo model CVT control system < Ref. to «NON-TURBO MODEL»(ref-662145-S35292137642014101300000) , WIRING DIAGRAM, CVT Control System. >
  2. Turbo model CVT control system < Ref. to «TURBO MODEL»(ref-662145-S23151071822014101300000) , WIRING DIAGRAM, CVT Control System. >
StepCheckYesNo
1 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance between TCM connector and transmission connectors. Connector & terminal Non-turbo model (B54) No. 13 - (B11) No. 8: Turbo model (B54) No. 13 - (B11) No. 4Is the resistance less than 1 ohms?Go to step 2 .Repair the open circuit of harness.
2 CHECK HARNESS. Turn the ignition switch to ON. Measure the voltage between TCM connector and chassis ground. Connector & terminal (B54) No. 13 (+) - Chassis ground (-)Is the voltage approx. 0 V?Go to step 3 .Repair the short circuit of harness.
3 CHECK AWD SOLENOID. Measure the resistance between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 8 - Transmission body: Turbo model (T4) No. 4 - Transmission bodyIs the resistance approx. 4 ohms? (when engine cold)Check for poor contact of the connector, and repair the defective part.Go to step 4 .
4 CHECK HARNESS INSIDE TRANSMISSION. CAUTION: Start work after ATF cools down. Remove the following parts. Transmission valve cover (non-turbo model) Transmission oil pan (turbo model) Check for the harness pinch, damage.Is the harness normal?Go to step 5 .Replace the transmission harness.
5 CHECK HARNESS INSIDE TRANSMISSION. Disconnect the control valve body connector. Turn the ignition switch to ON. Measure the voltage between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 8 (+) - Transmission body (-): Turbo model (T4) No. 4 (+) - Transmission body (-)Is the voltage approx. 0 V?Replace the control valve body. < Ref. to CONTROL VALVE BODY . > < Ref. to CONTROL VALVE BODY . >Replace the transmission harness.
CAUTION
Start work after ATF cools down.

DTC PROCEDURE

  1. Non-turbo model CVT control system < Ref. to «NON-TURBO MODEL»(ref-662145-S35292137642014101300000) , WIRING DIAGRAM, CVT Control System. >
  2. Turbo model CVT control system < Ref. to «TURBO MODEL»(ref-662145-S23151071822014101300000) , WIRING DIAGRAM, CVT Control System. >
StepCheckYesNo
1 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance between TCM connector and transmission connectors. Connector & terminal Non-turbo model (B54) No. 24 - (B11) No. 2: Turbo model (B54) No. 24 - (B11) No. 6Is the resistance less than 1 ohms?Go to step 2 .Repair the open circuit of harness.
2 CHECK HARNESS. Turn the ignition switch to ON. Measure the voltage between TCM connector and chassis ground. Connector & terminal (B54) No. 24 (+) - Chassis ground (-)Is the voltage approx. 0 V?Go to step 3 .Repair the short circuit of harness.
3 CHECK PRIMARY UP SOLENOID. Measure the resistance between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 2 - Transmission body: Turbo model (T4) No. 6 - Transmission bodyIs the resistance approx. 13 ohms? (when engine cold)Check for poor contact of the connector, and repair the defective part.Go to step 4 .
4 CHECK HARNESS INSIDE TRANSMISSION. CAUTION: Start work after ATF cools down. Remove the following parts. Transmission valve cover (non-turbo model) Transmission oil pan (turbo model) Check for the harness pinch, damage.Is the harness normal?Go to step 5 .Replace the transmission harness.
5 CHECK HARNESS INSIDE TRANSMISSION. Disconnect the control valve body connector. Turn the ignition switch to ON. Measure the voltage between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 2 (+) - Transmission body (-): Turbo model (T4) No. 6 (+) - Transmission body (-)Is the voltage approx. 0 V?Replace the control valve body. < Ref. to CONTROL VALVE BODY . > < Ref. to CONTROL VALVE BODY . >Replace the transmission harness.
CAUTION
Start work after ATF cools down.

DTC PROCEDURE

  1. Non-turbo model CVT control system < Ref. to «NON-TURBO MODEL»(ref-662145-S35292137642014101300000) , WIRING DIAGRAM, CVT Control System. >
  2. Turbo model CVT control system < Ref. to «TURBO MODEL»(ref-662145-S23151071822014101300000) , WIRING DIAGRAM, CVT Control System. >
StepCheckYesNo
1 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance between TCM connector and transmission connectors. Connector & terminal Non-turbo model (B54) No. 25 - (B11) No. 3: Turbo model (B54) No. 25 - (B11) No. 1Is the resistance less than 1 ohms?Go to step 2 .Repair the open circuit of harness.
2 CHECK HARNESS. Turn the ignition switch to ON. Measure the voltage between TCM connector and chassis ground. Connector & terminal (B54) No. 25 (+) - Chassis ground (-)Is the voltage approx. 0 V?Go to step 3 .Repair the short circuit of harness.
3 CHECK PRIMARY DOWN SOLENOID. Measure the resistance between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 3 - Transmission body: Turbo model (T4) No. 1 - Transmission bodyIs the resistance approx. 13 ohms? (when engine cold)Check for poor contact of the connector, and repair the defective part.Go to step 4 .
4 CHECK HARNESS INSIDE TRANSMISSION. CAUTION: Start work after ATF cools down. Remove the following parts. Transmission valve cover (non-turbo model) Transmission oil pan (turbo model) Check for the harness pinch, damage.Is the harness normal?Go to step 5 .Replace the transmission harness.
5 CHECK HARNESS INSIDE TRANSMISSION. Disconnect the control valve body connector. Turn the ignition switch to ON. Measure the voltage between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 3 (+) - Transmission body (-): Turbo model (T4) No. 1 (+) - Transmission body (-)Is the voltage approx. 0 V?Replace the control valve body. < Ref. to CONTROL VALVE BODY . > < Ref. to CONTROL VALVE BODY . >Replace the transmission harness.
CAUTION
Start work after ATF cools down.

DTC PROCEDURE

  1. Non-turbo model CVT control system < Ref. to «NON-TURBO MODEL»(ref-662145-S35292137642014101300000) , WIRING DIAGRAM, CVT Control System. >
  2. Turbo model CVT control system < Ref. to «TURBO MODEL»(ref-662145-S23151071822014101300000) , WIRING DIAGRAM, CVT Control System. >
StepCheckYesNo
1 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance between TCM connector and chassis ground. Connector & terminal (B54) No. 26 - Chassis groundIs the resistance 1 Mohms or more?Go to step 2 .Repair the short circuit of harness.
2 CHECK LOCK-UP DUTY SOLENOID. Measure the resistance between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 11 - Transmission body: Turbo model (T4) No. 2 - Transmission bodyIs the resistance approx. 13 ohms? (when engine cold)Check for poor contact of the connector, and repair the defective part.Go to step 3 .
3 CHECK HARNESS INSIDE TRANSMISSION. CAUTION: Start work after ATF cools down. Remove the following parts. Transmission valve cover (non-turbo model) Transmission oil pan (turbo model) Check for the harness pinch, damage.Is the harness normal?Go to step 4 .Replace the transmission harness.
4 CHECK HARNESS INSIDE TRANSMISSION. Disconnect the control valve body connector. Measure the resistance between transmission connector and transmission body. Connector & terminal Non-turbo model (T4) No. 11 - Transmission body: Turbo model (T4) No. 2 - Transmission bodyIs the resistance 1 Mohms or more?Replace the control valve body. < Ref. to CONTROL VALVE BODY . > < Ref. to CONTROL VALVE BODY . >Replace the transmission harness.
CAUTION
Start work after ATF cools down.

DTC PROCEDURE

CVT control system < Ref. to TURBO MODEL , WIRING DIAGRAM, CVT Control System. >

Scheme 939

Scheme 939: WIRING DIAGRAM
Scheme 939: WIRING DIAGRAM
StepCheckYesNo
1 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance between TCM connector and chassis ground. Connector & terminal (B54) No. 23 - Chassis groundIs the resistance 1 Mohms or more?Go to step 2 .Repair the short circuit of harness.
2 CHECK LOCK UP ON/OFF SOLENOID. Measure the resistance between transmission connector and transmission body. Connector & terminal (T4) No. 3 - Transmission bodyIs the resistance approx. 17 ohms? (when engine cold)Check for poor contact of the connector, and repair the defective part.Go to step 3 .
3 CHECK HARNESS INSIDE TRANSMISSION. CAUTION: Start work after ATF cools down. Remove the transmission oil pan. Check for the harness pinch, damage.Is the harness normal?Go to step 4 .Replace the transmission harness.
4 CHECK HARNESS INSIDE TRANSMISSION. Disconnect the control valve body connector. Measure the resistance between transmission connector and transmission body. Connector & terminal (T4) No. 3 - Transmission bodyIs the resistance 1 Mohms or more?Replace the control valve body. < Ref. to CONTROL VALVE BODY . >Replace the transmission harness.
CAUTION
Start work after ATF cools down.

DTC PROCEDURE

CVT control system < Ref. to TURBO MODEL , WIRING DIAGRAM, CVT Control System. >

StepCheckYesNo
1 CHECK HARNESS. Turn the ignition switch to OFF. Disconnect the TCM and transmission connectors. Measure the resistance between TCM connector and transmission connectors. Connector & terminal (B54) No. 23 - (B11) No. 3Is the resistance less than 1 ohms?Go to step 2 .Repair the open circuit of harness.
2 CHECK HARNESS. Turn the ignition switch to ON. Measure the voltage between TCM connector and chassis ground. Connector & terminal (B54) No. 23 (+) - Chassis ground (-)Is the voltage approx. 0 V?Go to step 3 .Repair the short circuit of harness.
3 CHECK LOCK UP ON/OFF SOLENOID. Measure the resistance between transmission connector and transmission body. Connector & terminal (T4) No. 3 - Transmission bodyIs the resistance approx. 17 ohms? (when engine cold)Check for poor contact of the connector, and repair the defective part.Go to step 4 .
4 CHECK HARNESS INSIDE TRANSMISSION. CAUTION: Start work after ATF cools down. Remove the transmission oil pan. Check for the harness pinch, damage.Is the harness normal?Go to step 5 .Replace the transmission harness.
5 CHECK HARNESS INSIDE TRANSMISSION. Disconnect the control valve body connector. Turn the ignition switch to ON. Measure the voltage between transmission connector and transmission body. Connector & terminal (T4) No. 3 (+) - Transmission body (-)Is the voltage approx. 0 V?Replace the control valve body. < Ref. to CONTROL VALVE BODY . >Replace the transmission harness.
CAUTION
Start work after ATF cools down.

DTC PROCEDURE

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