HM: Secondary Air Injection (AIR) System Introduction

HM: Pinpoint Tests

Note

This Pinpoint Test is intended to diagnose the following:

• Harness circuits: B+, EAIR, EAIR Monitor, Ground, AIRB, AIRD
• Solid state relay (SSR) (14B193)
• Electric secondary air injection (AIR) pump (9A486)
• Secondary air injection (AIR) bypass solenoid (9H465)
• Powertrain control module (PCM) (12A650)
• Secondary air injection (AIR) diverter solenoid (9H465)

• Secondary air injection (AIR) diverter valve (9F491)
• Vacuum supply
• Air silencer (9H467)
• Secondary air injection (AIR) check valve (12A197)

Pinpoint Test Schematics and Connectors

Secondary Air Injection System Connectors

Electric AIR Pump

Note: Not all applications are equipped with both AIR Bypass or AIR Diverter solenoids.

HM: Pinpoint Tests