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TROUBLESHOOTING HEATER, AIR CONDITIONER AND VENTILATION 55A-60 (2) Turn the ignition switch to the "ON" position. AC310507 Connector C-141X JZ (3) Voltage between terminal 3 and body earth. OK: System voltage Q: Is the check result normal? YES : Go to Step 21. NO : Go to Step 20. STEP 20. Check the wiring harness between A- AC509815 A-141X Connector: A-141X AD Relay box side NOTE: AC509975AH Connector: A-28 A-28 (B) AC509613AW Connector: C-148 <LHD> AC509934 AX Connectors: C-207, C-210 <LHD> Harness side C-207 C-210 Junction block (Front view) Harness side C-207 C-210 Prior to the wiring harness inspection, check junction • Check the PTC heater relay 2 power supply line for open circuit. Q: Is the check result normal? |