Service Manual — page 142 of 715

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3-52 FUEL SYSTEM (DFI)
Main Throttle Sensor (Service Code 11) (DTC P0120, P0123)
 If the reading is DC 5 V or more, check the following part
 resistance.
○Disconnect the throttle setting adapter [A] from the main
 harness side.
   Main Throttle Sensor [B]
 Part Resistance Inspection
   Connections to Adapter:
      Digital Meter (+) → R (sensor BL) lead
      Digital Meter (–) → W (sensor Y/W) lead
 If the reading is 0 Ω, replace the throttle body assy.
Main Throttle Sensor Circuit

   1. ECU
   2. Subthrottle Sensor
   3. Main Throttle Sensor