Tow Mode Switch
TOW MODE SWITCHAT-TMSW-01:
Wiring Diagram - AT - TMSW
Diagnostic Procedure
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to AT-89, "SELF-DIAGNOSTIC RESULT MODE". Self-Diagnostic Result Mode
Is any malfunction in the CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to AT-95, "DTC U1000 CAN COMMUNICATION LINE". U1000
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 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. Refer to DI-5, "COMBINATION METERS". Description and Operation
OK or NG
OK >> INSPECTION END
NO >> Repair or replace damaged parts.