How do I get my car trouble codes without equipment?

How do I get my car trouble codes without equipment?

Depress the odometer “Trip” and “Reset” buttons while turning the car on and off several times, ending with the key in the “On” position. Release the odometer buttons. The odometer will count down, then display the trouble codes in certain models.

How do I check my engines fault code?

Inserting and Reading an OBD Scanner

1. Step 1: Locate your vehicle’s OBD port.
2. Step 2: Plug your OBD scan tool into the connector.
3. Step 3: Read the codes in the computer.
4. Step 4: Record the codes that display.
5. Step 1: Break down your code into sections.
6. The first section is the first character, which is always a letter.

Where are the diagnostic codes on a Volvo 940?

940 cars have two boxes: “A” and “B”; the former is used for engine diagnostics and ABS; the latter for SRS and cruise control. If fault codes related to the emission system are registered, the “Check Engine” lamp on the instrument panel is lit. The test cable is mounted to the side of A. There are three OBD diagnostic test modes (DTM): DTM 1.

How do you read the engine code on a Volvo 240?

Pull the lid off the box, and you’re presented with six sockets, a diagnostic probe, an LED and a button: With the ignition turned off, insert the probe into socket 2 (to read codes from the fuel ECU) or socket 6 (to read codes from the EZK). Turn the ignition to key position 2 without starting the engine.

Can a generic OBD reader be used on a 1996 Volvo?

Unfortunately, you cannot use a generic code reader on any of these OBD-I cars: you have to manually extract the codes from the systems as noted below. 1996+ cars have the entirely different OBD-II system which requires a computerized code scanner to read codes through a special data link.

How to read, clear and understand Volvo diagnostic codes?

Now to clear the codes, push and hold the button for 6-7 seconds, release and as soon as the LED comes on push and hold the button for another 6-7 seconds. Now push the button for one second and read the codes again, you should get 1-1-1 (no faults).