FixVault

Circuit Inspection

Item Normal value Prerequisite condition (+) Probe (-) Probe
Trim Resistor Circuit: Resistance (Open) Approx. below 1Ω
  1. Ignition switch: OFF
  2. Sensor, ECM connector: Disconnected
Trim Resistor Terminal (HO2S (S1) connector Trim Resistor Terminal (ECM connector)
  1. Is the result within specifications?

YES 

NO