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

Abbreviations For DRBII Displays

SENSORS
AFS = Air Flow Sensor output displayed in Hertz
BARO = Barometric Pressure Sensor displayed in Inches of Mercury Absolute or Kilopascals Absolute
TPS = Throttle Position Sensor displayed in Volts and Percentage (%)
COOL = Coolant Sensor displayed in Degrees Fahrenheit or Degrees Celsius
02 = Oxygen Sensor output displayed in Volts
INJ = Injector Pulse Width displayed in Milliseconds
RPM = Crank Angle Sensor (Engine) RPM
MPS = ISC Motor Position Sensor displayed in Volts
ADV = Total Advance displayed in Degrees Advance (7B) or Degrees Retard (3A)
BATT = ECU Voltage displayed in Volts

SWITCHES
IDL SW = Idle Switch displayed as OP for Open or CL for Closed
A/C SW = Air Conditioning Switch displayed as ON for ON or OF for OFF
P/N SW = Park/Neutral Switch displayed as PN for Park or DR for Drive
P/S SW = Power Steering Switch displayed as OP for Open or CL for Closed
A/C RE = Air Conditioning Relay displayed as OF for OFF or ON for Closed