Auxiliary Port Valve (APV) Control Inspection

Auxiliary Port Valve (APV) Control Inspection
1. Connect the WDS or equivalent to the DLC-2.
2. Verify DTC P2004, P2006, P2008 or P2017 is not displayed.
- If DTC P2004, P2006, P2008 or P2017 are displayed, perform DTC inspection.

3. Access the ECT and RPM PIDs.
4. Start the engine and warm-up it above the ECT PID 70 °C {158 °F}.
5. Verify that PCM terminal 3B voltage is 1.5 V or more during idle and decreases to less than 1.5 V when the engine speed is increased.
6. If not as specified, proceed to next step.
7. Inspect and repair or replace the following wiring harnesses and connectors for an open or short circuit.
- APV motor terminal A - PCM terminal 3B
- APV motor terminal B - PCM terminal 3J
- APV motor terminal D -PCM terminal 3G

8. Remove APV motor and APV.
9. Inspect for the following:
- APV motor (See AUXILIARY PORT VALVE (APV) MOTOR INSPECTION (13B-MSP (HIGH POWER).)
- APV (stuck open or closed)