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M-ASTC DIAGNOSIS TSB Revision MITSUBISHI ACTIVE SKID AND TRACTION CONTROL SYSTEM 35C-23 STEP 2. Check the solenoid valve drive circuit. Measure at (1) Measure the voltage by backprobing (i.e. without disconnecting M-ASTC-ECU connector E-119). (2) Turn the ignition switch to the "ON" position. be approximately 12 volts (battery positive voltage). When DTC 47 is set: • M-ASTC-ECU connector E-119 terminal 6 and ground When DTC 48 is set: • M-ASTC-ECU connector E-119 terminal 5 and ground Q: Does the voltage measure battery voltage (approximately 12 volts)? STEP 3. Check M-ASTC-ECU connector E-119. Q: Is M-ASTC-ECU connector E-119 in good condition? YES : Go to Step 5. AC204176 CONNECTOR: E-119 HARNESS AJ 9 8 21 20 31 30 7 6 5 4 3 2 1 18 28 1716 13 27 15 25 14 26 12 24 11 23 10 22 19 29 AC204580 COMPONENT SIDE: E-119 AQ 1 2 10 11 22 23 3 4 5 6 7 8 9 13 25 1415 18 26 16 27 17 28 19 29 20 30 21 31 12 24 AC204580 COMPONENT SIDE: E-119 AP 1 2 10 11 22 23 3 4 5 6 7 8 9 13 25 1415 18 26 16 27 17 28 19 29 20 30 21 31 12 24 AC204176 CONNECTOR: E-119 HARNESS AJ 9 8 21 20 31 30 7 6 5 4 3 2 1 18 28 1716 13 27 15 25 14 26 12 24 11 23 10 22 19 29 |