How to check codes on 1990 volvo 240?

Press down the button on the diagnostic box for about 2 seconds, and the LED on the box should flash out a three-digit code, i.e 3 flashes, space, 2 flashes, space, 1 flash would be code 3-2-1. After reading the code, depress the button again for 2 seconds to see if further codes are stored.

Does Volvo 240 have obd2?

1989+ 240/740/940 nonturbo, and 1990+ 7/9 turbos, have “OBD-1” diagnostics. see Engine and OBD Diagnostic Codes for the procedures to read them, and how to interpret the codes. older 240/740/940 had no diagnostics at all.

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.

What are the diagnostic codes for a Volvo?

For all models and ages of Volvo cars VOC Home | FAQ Home Engine and OBD Diagnostic Codes Engine and OBD Diagnostic Codes PDF Fuel Injection and Ignition Diagnostic Procedures in LH-Jetronic 2.4+, Regina, and EZK 116/REX 1 Fault Code Tables:Bosch LH2.4 Fuel Injection Fault Codes Fault Code Tables: Bosch Motronic 1.8 Fuel Injection Fault Codes

Where is the ECU on a Volvo 240?

ECU: the Engine Control Unit, which is a computer located on the right of the driver’s side footwell. this computer controls fuel delivery to the engine. EZK: a smaller ECU located on the passenger side firewall that controls spark timing for the engine.

What is the OBD code for a Volvo 960?

OBD-II Scanners and Tools for 960/90 Cars Fuel Injection and Ignition Diagnostic Procedures in Earlier Bosch LH-Jetronic 2.2: EZK 102/115/117/118 for B280/B200/B230FT Note: For further information about specific symptoms, fuel injection and ignition components, and sensors, see the relevent FAQ files.