Tow Mode Switch

TOW MODE SWITCH

Description

When tow mode switch is "ON", tow mode switch signals are sent to TCM from combination meter by CAN
communication line.Then it`s a tow mode condition.


Diagnosis Procedure


1. CHECK CAN COMMUNICATION LINE

Perform the self-diagnosis. Diagnosis System (TCM).
Is any malfunction in the CAN communication indicated in the results?
YES- Check CAN communication line.
NO- GO TO 2.

2. CHECK POWER SOURCE






1.Turn ignition switch "ON". (Do not start engine.)
2.Check the voltage between tow mode switch connector M67 terminal 1 and ground.





OK or NG
OK-INSPECTION END
NG- GO TO 3.

3. CHECK TOW MODE SWITCH






1.Turn ignition switch "OFF".
2.Disconnect tow mode switch connector.
3.Check continuity between tow mode switch connector M67 terminals 1 and 2.





OK or NG
OK- GO TO 4.
NG- Repair or replace tow mode switch.

4. DETECT MALFUNCTIONING ITEM

Check the following items. If any items are damaged, repair or replace damaged parts.
- Harness for short or open between combination meter connector terminal 35 and tow mode switch connector terminal 1
- Harness for short or open between tow mode switch connector terminal 2 and ground
OK or NG
OK- GO TO 5.
NG- Repair or replace damaged parts.

5. CHECK COMBINATION METER

Check the combination meter. Work Flow.
OK or NG
OK-INSPECTION END
NO- Repair or replace damaged parts.