Code Scanner Does Not Power Up

• Inspect all vacuum hoses for:

*Correct routing. Refer to vehicle service manual, or Vehicle Emission Control Information (VECI) decal located in the engine compartment.

*Pinches and kinks.

*Splits, cuts or breaks

•Inspect wiring for:

*Contact with sharp edges (a common problem).

*Contact with hot surfaces, such as exhaust

•Inspect Electrical Connectors for:

*Corrosion on pins

*Bent or damaged pins.

*Contacts not properly seated in housing.

*Bad wire crimps to terminals.

*Problems with connectors are common in the engine control system. Inspect carefully.

EGR

VAC

P REG

A. EGR VAC M REG

	HVAC
	CRUISE
	BRAKE BOOSTER
F UEL	TO TRANS
PRESS	MODE
REG	MODE

FRONT

OF CAR

9RAC2LAB

NOTE: Some connectors use a special grease on the contacts to prevent corrosion. Do not remove. If required, apply more grease to the connector (available from vehicle dealer).

•Make sure the DLC is properly connected to the vehicle connector. Verify pins are clean and fully seated in connector.

•The Code Scanner requires a minimum of 8 volts between pin 16 (12V) and pin 4 (Gnd) to power up. Use the flowchart to troubleshoot.

Scan Tool does not

power up

Measure voltage

between pins 16 and 4

Above 8V?

YES

Contact Technical

Support

Battery fully NO charged?

YES

Measure resistance between pin 4 and chassis ground

Less than	NO
Less than
5Ω?

YES

Open exists in power circuit. Check for a blown fuse or an open wire. Refer to Service Manual

Charge Battery

Repair ground circuit. Refer to Service Manual

9040 specifications

The Actron 9040 is a highly regarded automotive diagnostic tool designed to provide users with an efficient and reliable means of troubleshooting vehicle problems. Its user-friendly interface makes it suitable for both novice users and experienced technicians, enabling it to effectively cater to a diverse demographic of automobile enthusiasts.

One of the main features of the Actron 9040 is its compatibility with a wide range of vehicles. Supporting both OBDI and OBDII protocols, this scanner can work with vehicles from 1996 onward, making it an invaluable tool for diagnosing issues across many makes and models. Its broad compatibility ensures that users can take full advantage of its diagnostic capabilities.

The device boasts a large, easy-to-read LCD screen that displays diagnostic codes and live data in real time. This functionality allows users to visualize how various sensors and systems are performing while the vehicle is in operation. Additionally, the Actron 9040 reads and clears diagnostic trouble codes (DTCs), which can help to quickly identify issues and reset the “Check Engine” light after repairs have been made.

Advanced features of the Actron 9040 include onboard monitoring of various vehicle systems, such as the engine, transmission, and emissions system. This helps users to pinpoint specific problems and assess the overall health of the vehicle. The tool also includes a built-in code library, providing users with detailed definitions of trouble codes, making the troubleshooting process more intuitive.

The Actron 9040 utilizes easy-to-understand menus and prompts, streamlining the diagnostic process. The device is powered through the vehicle's OBDII port, eliminating the need for batteries or external power sources. This design enhances portability and ensures that users can perform diagnostic checks even in remote locations.

In conclusion, the Actron 9040 combines advanced diagnostic technologies with user-friendly features to create an essential tool for anyone involved in vehicle maintenance. Its multi-vehicle compatibility, real-time data monitoring, and in-depth diagnostic capabilities make it an exceptional choice for both DIY enthusiasts and professional mechanics alike. With the growing complexity of automotive systems, tools like the Actron 9040 are crucial for effective vehicle maintenance and repair.