Pinpoint Test HM: Secondary Air Injection (Air) System: Introduction
This pinpoint test is intended to diagnose the following:
- secondary air injection system relay (14B192)
- electric air injection pump (9A486)
- secondary air injection bypass solenoid (9H465)
- harness circuits: B+, VPWR, AIR, AIRM and ground
- powertrain control module (PCM) (12A650)
- secondary air injection diverter valve (9F491)
- vacuum supply
- hoses
- partial restricted exhaust
Refer to the appropriate SYSTEM WIRING DIAGRAMS article for schematic and connector information.
For PCM connector views or reference values, refer to REFERENCE VALUES .
POWERTRAIN CONTROL MODULE (PCM) CONNECTOR
| Connector | Pin | Circuit |
|---|---|---|
| 140 Pin | B58 B66 B67 B33 B51 B50 B1 |
SIGRTN CASE GND PWRGND VREF VPWR AIRM AIR |