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TOW MODE SWITCH TM-111 < DTC/CIRCUIT DIAGNOSIS > C E F G H I J K L M A B TM N O P TOW MODE SWITCH Description INFOID:0000000009885872 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 INFOID:0000000009885873 1. CHECK CAN COMMUNICATION LINE Perform the self-diagnosis. Refer to TM-38, "CONSULT Function (TRANSMISSION)" Is any malfunction in the CAN communication indicated in the results? YES >> Check CAN communication line. Refer to . 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 ter- minal 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 ter- minals 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 connec- tor terminal 1. • Harness for short or open between tow mode switch connector terminal 2 and ground. OK >> GO TO 5. NG >> Repair or replace damaged parts. 5. CHECK COMBINATION METER Check the combination meter. Refer to OK or NG OK >> INSPECTION END NO >> Repair or replace damaged parts. Condition Tow mode switch Data (Approx.) When ignition switch is turned to “ON” ON 0V OFF Battery voltage SCIA5156E Condition Continuity Tow mode switch “ON” Yes Tow mode switch “OFF” No JSDIA1502ZZ |