How do you scan a check engine light code?
Inserting and Reading an OBD Scanner
- Step 1: Locate your vehicle’s OBD port.
- Step 2: Plug your OBD scan tool into the connector.
- Step 3: Read the codes in the computer.
- Step 4: Record the codes that display.
- Step 1: Break down your code into sections.
- The first section is the first character, which is always a letter.
What are car diagnostic codes?
Diagnostic Trouble Codes, also known as engine fault codes, are five-digit codes that identify a particular problem in the car. These codes are displayed on the scanning tool when it’s connected to the OBD system. The five-digit DTC includes one letter usually followed by four numbers (e.g. P1234).
How to read a diagnostic code on a Toyota?
This display can be used to read diagnostic codes by simply pressing and holding the monitor “Select” and “Input M” keys together, for three seconds, with the ignition switch in the “on” position. When the “DIAG” message appears on the display, pressing and holding the “Set” key for three seconds will put the TCCS system into diagnostic mode.
Where to find check engine light code on Toyota?
When retrieving Toyota check engine light codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on. 3.
Where do I find the Diagnostic Code on my Toyota Supra?
On ’83 through ’85 Cressida and Supra models, the check engine light does not flash diagnostic codes. An analog voltmeter must be used to read the codes from the VF terminal of the EFI Service Connector. Depending on the vintage of the system being tested, the codes will be displayed in either one or two digit format.
How to enter engine diagnostics in Toyota TCCS?
To enter engine diagnostics: • Locate the check connector under the hood and identify the T (TE1 on late model TCCS) and E1 terminals. • Turn the ignition switch to the “on” position and make sure that the check engine light is on. • Confirm that the throttle is closed (IDL contact on). • Jumper check connector terminals T (TE1) to E1.