Tow Mode System

TOW MODE SYSTEM

Component Function Check


1. CHECK TOW MODE INDICATOR LAMP FUNCTION

1.Turn ignition switch ON.
2.Check that tow mode indicator lamp turns ON/OFF when tow mode switch is operated.
Is the inspection result normal?
YES- INSPECTION END
NO- Go to "Diagnosis Procedure" .


Diagnosis Procedure

NOTE:
Tow mode switch is integrated in to SNOW MODE/TOW MODE/VDC OFF switch assembly (2WD models) or
4WD switch assembly (4WD models).

1. CHECK DTC OF TCM

With CONSULT
1.Turn ignition switch ON.
2.Perform "Self-Diagnostic Results" in "TRANSMISSION".
Is any DTC detected?
YES- Check DTC detected item. Refer to "DTC Index" Testing and Inspection.
NO- GO TO 2.

2. CHECK DTC OF COMBINATION METER

With CONSULT
Perform "Self-Diagnostic Results" in "METER/M&A".
Is any DTC detected?
YES- Check DTC detected item. Refer to "DTC Index" Testing and Inspection.
NO- GO TO 3.

3. CHECK COMBINATION METER

With CONSULT
1.Select "TOW MODE IND" in "Data Monitor" in "METER/M&A".
2.Check that "TOW MODE IND" turns ON/OFF when tow mode switch is operated.
Is the inspection result normal?
YES- Replace combination meter. Refer to "Exploded View" Exploded View.
NO- GO TO 4.

4. CHECK TOW MODE SWITCH SIGNAL

With CONSULT
1.Select "TOW MODE SW" in "Data Monitor" in "TRANSMISSION".
2.Check that "TOW MODE SW" turns ON/OFF when tow mode switch is operated.
Is the inspection result normal?
YES- Replace combination meter. Refer to "Exploded View" Exploded View.
NO- GO TO 5.

5. CHECK TOW MODE SWITCH CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect SNOW MODE/TOW MODE/VDC OFF switch assembly (2WD models) or 4WD switch assembly connector (4WD models).
3.Turn ignition switch ON.
4.Check voltage between SNOW MODE/TOW MODE/VDC OFF switch assembly (2WD models) or 4WD
switch assembly connector (4WD models) vehicle side harness connector terminals.





*1: 4WD models
*2: 2WD models
Is the inspection result normal?
YES- GO TO 6.
NO- GO TO 9.

6. CHECK TOW MODE SWITCH

Check tow mode switch. Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 7.
NO- Repair or replace damaged parts.

7. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
Is the inspection result normal?
YES- GO TO 8.
NO- Repair or replace damaged parts.

8. CHECK TOW MODE SYSTEM

1.Replace the control valve & TCM. Refer to "Exploded View" Exploded View.
2.Reinstall any parts removed.
3.Check tow mode system. Refer to "Component Function Check" .
Is the inspection result normal?
YES- INSPECTION END
NO- Replace combination meter. Refer to "Exploded View" Exploded View.

9. CHECK GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Check continuity between SNOW MODE/TOW MODE/VDC OFF switch assembly (2WD models) or 4WD
switch assembly connector (4WD models) vehicle side harness connector terminal and ground.





*1: 4WD models
*2: 2WD models
Is the inspection result normal?
YES- GO TO 10.
NO- Repair or replace damaged parts.

10. CHECK HARNESS BETWEEN SNOW MODE/TOW MODE/VDC OFF SWITCH ASSEMBLY (2WD MODELS) OR 4WD SWITCH ASSEMBLY (4WD MODELS) AND COMBINATION METER (PART 1)
1.Disconnect combination meter connector.
2.Check continuity between SNOW MODE/TOW MODE/VDC OFF switch assembly (2WD models) or 4WD
switch assembly connector (4WD models) vehicle side harness connector terminal and combination meter vehicle side harness connector terminal.





*1: 4WD models
*2: 2WD models
Is the inspection result normal?
YES- GO TO 11.
NO- Repair or replace damaged parts.

11. CHECK HARNESS BETWEEN SNOW MODE/TOW MODE/VDC OFF SWITCH ASSEMBLY (2WD MOD-

ELS) OR 4WD SWITCH ASSEMBLY (4WD MODELS) AND COMBINATION METER (PART 2)
Check continuity between SNOW MODE/TOW MODE/VDC OFF switch assembly (2WD models) or 4WD
switch assembly connector (4WD models) vehicle side harness connector terminal and ground.





*1: 4WD models
*2: 2WD models
Is the inspection result normal?
YES- GO TO 12.
NO- Repair or replace damaged parts.

12. CHECK COMBINATION METER

1.Reconnect all the connectors.
2.Check combination meter input/output signal. Refer to "Reference Value" Reference Value.
Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace combination meter. Refer to "Exploded View" Exploded View.


Component Inspection

NOTE:
Tow mode switch is integrated in to SNOW MODE/TOW MODE/VDC OFF switch assembly (2WD models) or
4WD switch assembly (4WD models).

1. CHECK TOW MODE SWITCH

Check continuity between SNOW MODE/TOW MODE/VDC OFF switch assembly (2WD models) or 4WD
switch assembly (4WD models) connector terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace tow mode switch. Refer to "Removal and Installation" Service and Repair.