Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Test Notes

You should enter this Pinpoint Test only when directed here.

This Pinpoint Test is intended to diagnose the following:
- Harness circuits: Batt+, EAIR, EAIR Monitor, Ground
- Solid State Relay (SSR)
- Electric Air Pump (EAP)
- Air Injection Bypass Solenoid (AIRB)
- Powertrain Control Module (PCM)
- Air Injection Diverter Solenoid (AIRD)
- Air Diverter (AIRD) Valve
- Vacuum Supply
- Mechanical Air Pump
- Air Silencer
- Air Resonator
- Air Check Valve
- Vacuum Reservoir

DESCRIPTION
For additional information on the Secondary Air Injection System, refer to Emission Control Systems / Air Injection.


NOTE: Not all applications are equipped with both AIRB or AIRD solenoids.