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CHECK THE INSULATION RESISTANCE IN THE JUNCTION BOX
cautionThe insulation resistance check must be completed within 10 seconds. (Since DC 1,000 V is applied while checking, parts may be damaged if the check continues for 10 seconds or more.)
Required Special Tools:
  • MB991223: Wiring harness set
  • MB992006: Extra fine probe
1. Set the range of the electric insulation tester (Special tool: MB992355) to 1000 V.
2. Measure the insulation resistance between the junction box high voltage circuit (P1, P2, N1, N2) and junction box (body ground).
Standard value: 10 MΩ or more
3. If the resistance value is not the standard value, replace the junction box.