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

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Test Notes

You should enter this pinpoint test only when directed here.

This pinpoint test is intended to diagnose the following:
- Exhaust Gas Recirculation (EGR) Vacuum solenoid
- EGR Atmospheric solenoid
- EGR Valve Position sensor
- EGR valve
- EGR/Barometric (BARO) pressure sensor
- Vacuum lines
- Harness circuits: VREF, EGRV, EGRV VPWR, EGRA, EGRA VPWR, EGRP SIG, EGRP SIG RTN, EGRO VPWR, EGR/BARO SIG, EGR/BARO SIG RTN
- Powertrain Control Module (PCM)


DESCRIPTION
For additional information on the Exhaust Gas Recirculation (EGR) Monitor and System refer to Description and Operation / On Board Diagnostics II System Monitors.