Service Manual (KLZ1000C) — page 623 of 762

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SELF-DIAGNOSIS SYSTEM 17-21
Throttle Position Sensor (Service Code 11) (DTC P0120, P0121, P0122, P0220,
P0223)
 If the reading is within the standard, remove the ECU and
 check the wiring for continuity between harness connec-
 tors.
○Disconnect the ECU and sensor connectors.
 Wiring Continuity Inspection
  ECU Connector [A] ←→
      Throttle Position Sensor Connector [B]
       ECU Terminal 132 [C] ←→ Sensor Terminal [D]
       ECU Terminal 131 [E] ←→ Sensor Terminal [F]
       ECU Terminal 130 [G] ←→ Sensor Terminal [H]
 If the wiring is good, check the ECU for its ground and
 power supply (see ECU Power Supply Inspection(3-39)).
 If the ground and power supply are good, replace the
 ECU.
Throttle Position Sensor Circuit

   1. Throttle Position Sensor
   2. ECU