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 SEE 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-III
1. Turn ignition switch ON.
2. Perform "Self-Diagnostic Results" in "TRANSMISSION".
Is any DTC detected?
YES - Check DTC detected item. Testing and Inspection.
NO - GO TO 2.
2.CHECK DTC OF COMBINATION METER
With CONSULT-III
Perform "Self-Diagnostic Results" in "METER/M&A".
Is any DTC detected?
YES - Check DTC detected item. Testing and Inspection.
NO - GO TO 3.
3.CHECK COMBINATION METER
With CONSULT-III
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. Exploded View.
NO - GO TO 4.
4.CHECK TOW MODE SWITCH SIGNAL
With CONSULT-III
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. 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: 2WD models
*2: 4WD models
Is the inspection result normal?
YES - GO TO 6.
NO - GO TO 9.
6.CHECK TOW MODE SWITCH
Check tow mode switch. SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 7.
NO - Repair or replace damaged parts.
7.CHECK 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. Exploded View.
2. Reinstall any parts removed.
3. Check tow mode system. SEE Component Function Check.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace combination meter. 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: 2WD models
*2: 4WD 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: 2WD models
*2: 4WD 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 MODELS) 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: 2WD models
*2: 4WD 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. Reference Value.
Is the inspection result normal?
YES - Check intermittent incident. Intermittent Incident.
NO - Replace combination meter. 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. Service and Repair.