How do you clear diagnostic code on Lexus LS400?
3) Once repairs have been made, clear all stored codes by removing the 20 amp EFI fuse shown above for 10 seconds or more with the ignition switch off. You can also clear codes by removing the negative lead on the battery for the same amount of time, but you’ll lose all your clock, radio, and memory settings.
How do you read Trac code on Lexus LS400?
For ABS codes, you count the blinks on the “ANTILOCK” light. For TRAC codes, you count the blinks on the “TRAC” light. The codes are all two digits, the first digit is output first, it will pause 1.5 seconds and then output the second digit outputs.
Where is the OD switch on a Lexus LS400?
For checking transmission codes the OD switch must in on (pushed in). Connect terminals Te1 and E1 by placing a short piece of wire in the TDCL diagnostic port under the steering wheel.
Where is the fuse puller on a Lexus ECU?
If your fuse box doesn’t have the fuse puller in it, you can use pliers for the next step. Using the diagram on the bottom of the fuse box cover, remove the EFI fuse and ETCS fuse.
3) Once repairs have been made, clear all stored codes by removing the 20 amp EFI fuse shown above for 10 seconds or more with the ignition switch off. You can also clear codes by removing the negative lead on the battery for the same amount of time, but you’ll lose all your clock, radio, and memory settings.
Where do you put the jumper wire on a Lexus LS400?
For engine and transmission codes you place the jumper wire in Te1 and E1. For air bag codes, ABS and TRAC codes, you place the jumper wire in Tc and E1.
What to do if your Lexus has a P0420 code?
Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0420 code is combined with other codes, try fixing the other codes first. The cost to diagnose the P0420 LEXUS code is 1.0 hour of labor.
Do you need an OBDII reader for Lexus LS400?
If you have a 1990-1994 LS then you have an OBDI system (On-board diagnostics I). This system is what I will cover here. If you have a 1995 LS on up then you have an OBDII system. Reading codes from these systems requires you to use an OBDII code reader.
What’s the misfire code on a 1995 Lexus LS400?
Lexus LS400: I have a 1995 LS400. I am getting a random misfire… I have a 1995 LS400… I have a 1995 LS400. I am getting a random misfire code and lots of smoke.
What to do if your Lexus engine code is P0420?
Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0420 code is combined with other codes, try fixing the other codes first. The cost of diagnosing the P0420 LEXUS code is 1.0 hour of labor.
What does the P0420 code on Honda Civic mean?
As the code description implies the P0420 code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting).
Why does my LS400 have black smoke coming out?
Two sticking open injectors can also cause your problem, usually the smoke will be more of a black, dark color when that is the issue. It can be checked using a noid light on the connectors for the injectors when the problem is occuring.