Service Manual — page 159 of 715

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FUEL SYSTEM (DFI) 3-69
Intake Air Pressure Sensor #2 (Service Code 16) (DTC P2226, P2227, P2228)
Intake Air Pressure Sensor #2 Inspection (Service
Code 16/DTC P2228)
(Checking wire for short circuit to ground)
• Disconnect:
   ECU Connectors (see ECU Removal)
   Intake Air Pressure Sensor #2 Connector (see Intake Air
   Pressure Sensor #2 Removal)
• Check the wiring for short circuit to ground by checking
  continuity between the sensor connector [A] and frame
  ground [B].
    Wiring Continuity Inspection
     G/W lead (ECU terminal 17) [C] ←→ Frame Ground
    If there is continuity, repair or replace the main harness.
    If there is no continuity, check the intake air pressure
    sensor #2 (see Intake Air Pressure Sensor #2 Inspection
    (Service Code 16/DTC P2227)).
Intake Air Pressure Sensor #2 Circuit

     1. ECU
     2. Intake Air Pressure Sensor #1
     3. Intake Air Pressure Sensor #2