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Home >> Suzuki >> 2007 >> XL7 Base, AWD >> Repair and Diagnosis >> Electrical >> Horns >> Instrumentation/Driver Info./Horn >> Diagnostic Information and Procedures >> Daytime Running Lamps (DRL) Indicator Inoperative >> Circuit/System Testing
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Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the turn signal multifunction switch terminals C1 pins 4 and 2.
  2. Ignition ON, test for less than 1 Ω of resistance between the low reference circuit and ground with the DRL ON.
    • If greater than 1 Ω, test the low reference circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the turn signal multifunction switch.
  3. Test for battery voltage between the supply voltage circuit and ground.
    • If battery voltage is not found, test the supply voltage circuit for a short to ground or an open/high resistance.
  4. If all circuits test normal, replace the I/P.
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