Auxiliary Port Valve (APV) Control Inspection

Connect the M-MDS to the DLC-2.
Verify DTC P2004, P2005, P2009 or P2010 is not displayed.
- If DTC P2004, P2005, P2009 or P2010 are displayed, perform DTC inspection.
  (See DTC TABLE [13B-MSP] .)
Access the ECT and RPM PIDs.
Start the engine and warm-up it above the ECT PID 70°C {158°F} .
Verify that PCM terminal 2AN and 2AF voltage is 1.5 V or more during idle and decreases to less than 1.5 V when the engine speed is increased.
If not as specified, proceed to next step.
Inspect and repair or replace the following wiring harnesses and connectors for an open or short circuit.
- APV position sensor No. 1 terminal A-PCM terminal 2AN
- APV position sensor No. 2 terminal A-PCM terminal 2AF
- APV motor terminal A-PCM terminal 2F
- APV motor terminal B-PCM terminal 2D
Remove the APV motor and APV.
(See INTAKE MANIFOLD DISASSEMBLY/ASSEMBLY [13B-MSP] .)
Inspect for the following
- APV motor
  (See AUXILIARY PORT VALVE (APV) MOTOR INSPECTION [13B-MSP] .)
- APV (stuck open or close)