Koeo Procedure, Code 12 will look like | Actron CP9185 instruction

GM Historic (OBD I) Diagnostics

✓If CHECK ENGINE light is functional, the Field Service screen is displayed. Pressing ENTER will toggle the short to Pins A and B On and Off.

✓Continue with either the KOEO procedure or KOER procedure.

Field Service

Field Service: Off

Press ENTER to turn Field Service On.

✓ While in Field Service mode, no new DTCs are stored in the vehicle’s memory.

KOEO Procedure

✓ In the KOEO Procedure, Field Service can check relays, solenoids and the idle speed motor, and obtain DTCs using the CHECK ENGINE light.

1) Turn ignition key on but do not start engine.

2) On Scan Tool, place Field Service On.

3) The CHECK ENGINE light begins to flash codes. Each DTC is

	displayed three (3) times. The DTCs are displayed starting with
5	the lowest numbered one. After all DTCs are displayed, the
5	sequence keeps repeating until the ignition key or Field Service

mode is turned OFF.

❒Count the number of times the CHECK ENGINE light flashes to obtain DTCs. The first digit is sent first. A short pause sepa- rates digits while a long pause separates each DTC. All codes contain 2 digits.

❒DTC 12 (No RPM reference pulse) should display first since the engine is not running. If not, problems exist in the PCM or CHECK ENGINE light circuitry.

Code 12 will look like:

FLASH-pause-FLASH-FLASH — long pause.

Code 23 will look like:

FLASH-FLASH-pause-FLASH-FLASH-FLASH — long pause.

5 – 12 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

CP9185 specifications

The Actron CP9185 is a highly regarded automotive diagnostic scanner that is designed for both professional mechanics and DIY enthusiasts. This versatile tool brings a plethora of features and advanced technologies, making it essential for anyone looking to diagnose and repair vehicle issues efficiently.

One of the standout features of the Actron CP9185 is its ability to read and clear diagnostic trouble codes (DTCs) from various vehicles. This functionality allows users to quickly identify issues in a wide range of automotive systems, including the engine, transmission, and ABS. The scanner supports OBD II protocols, making it compatible with most vehicles manufactured after 1996, which significantly expands its usability across different makes and models.

The CP9185 comes equipped with an easy-to-read LCD display that showcases real-time data. Notably, this display features live data streaming, allowing users to monitor various parameters such as RPM, coolant temperature, and vehicle speed on-the-fly. This capability aids in pinpointing potential problems that may not be immediately evident from trouble codes alone.

Another important characteristic of the Actron CP9185 is its user-friendly interface. The device includes a built-in help menu and an intuitive navigation system, which simplifies the diagnostic process for users of all skill levels. The rugged design and ergonomic grip ensure durability, making it suitable for frequent use in workshop environments.

In terms of connectivity, the CP9185 features a USB port that allows users to update the device’s software and database. Regular updates ensure that the scanner is equipped with the latest codes and vehicle information, which enhances its effectiveness in performing diagnostics.

The Actron CP9185 also boasts an extensive library of manufacturer-specific codes, which can be invaluable for accurate diagnostics. This feature allows mechanics to delve deeper into vehicle-specific issues, ensuring more precise repairs.

Overall, the Actron CP9185 stands out as a reliable and efficient automotive diagnostic tool that combines essential features with advanced technology. Its comprehensive code-reading capabilities, real-time data display, and user-friendly design make it an indispensable instrument for anyone involved in automotive maintenance and repair. Whether you're a professional technician or a weekend warrior, the CP9185 can significantly enhance your diagnostic capabilities, making it a worthy investment for vehicle care.

Actron CP9185 manual Koeo Procedure, Code 12 will look like, Code 23 will look like

Models: CP9185