What does the EFI fuse on a Toyota Camry do?
It supplies the EFI Main relay, which in turn powers the fuel pump, ignition switch, and starter relay. In addition it powers the ECM computer, so that if you wish to clear a trouble code from there, you pull the EFI fuse for 30 sec. See here p177 You can’t post conmments that contain an email address. An expert who has achieved level 1.
Why does my EFI fuse keep blowing out?
Many Toyota owners have a problem with the electronic fuel injection (EFI) fuse blowing repeatedly. Here are some things to check: 1) The wires around the EGR tube for melting or fraying. 2) The wires near the EGR vacuum switching valve (VSV) located under the intake manifold.
Where are the fuses on a Toyota Ricks?
2) The wires near the EGR vacuum switching valve (VSV) located under the intake manifold. 3) Wires pinched between the intake manifold and the cylinder head. 4) Wires pinched anywhere along the valve cover. 5) Check injector wiring for any pinched locations.
What to do if your Toyota Camry won’t accelerate?
Dig out your owner’s manual (Hint: It’s in the glove box). Turn to the page that has the fuse box diagram and locate the Electronic Fuel Injection (EFI) fuse. Pull the throttle (EFI) fuse and inspect it. If it’s blown, replace it and you have probably solved the problem. If it’s not blown, read on.
Why does my Toyota Camry say check engine?
This article applies to the Toyota Camry 4th, 5th, and 6th generation (1997-Present). There’s nothing more distressing than seeing the dreaded “Check Engine” light illuminating on your dash cluster. Worse than that, stepping on your accelerator and getting almost no response from your Toyota Camry’s engine only adds to the stress.
How does the pump work in a Toyota Camry?
A Toyota transmission has a pump that circulates fluid to operate many of your transmission’s internal components like valves, clutches, and brakes. Something as simple as a sticky valve may prevent the fluid from building up pressure. With the engine cool, pull back the locking tab on the (orange) dipstick and release the stick.
Where is the main relay on an EFI system?
Because the EFI Main Relay supplies battery voltage to the +B terminal of the check connector when the ignition switch is in the run position, this is an excellent place to perform a quick check of the relay function. Dual Contact (Single Relay), Ignition Switch Controlled This EFI Main Relay configuration is used on the Conventional eFi system.
What kind of system does a Toyota Camry have?
Multiplex communication system (power door lock system, security system, auto−door locking system, automatic light control system, headlight delay off system, tail light auto cut system, illuminated entry system, daytime running light system, wireless remote control system), air conditioning system
How to troubleshoot electrical wiring in a Toyota Camry?
When the circuit operation is understood, begin troubleshooting of the problem circuit to isolate the cause. Use Relay Location and Electrical Wiring Routing sections to find each part, junction block and wiring harness connectors, wiring harness and wiring harness connectors and ground points of each system circuit.
Why does my fuel line keep blowing fuses?
A comparison blow test on the new filter showed that the new one had a higher air flow than the old one. After installing the new filter on, it took awhile to fire the engine as it sputtered to clear all the air pockets out of the fuel line.
Why does my Toyota Camry engine not start?
There are a lot of issues that can cause your Camry to crank, but not start. The engine needs air, fuel, and a spark in order to run. It is highly likely that if the engine is cranking, but not starting that it has thrown an OBDII code. It is definitely worth it to use an OBDII scanner to check and see if the engine has thrown any trouble codes.
Where is the fuel pump relay on a Toyota?
The relay you are talking about is called the “Circuit Opening Relay” and is located on top of the ECU, which is between the driver and passenger footwell behind the radio. You can get to it by pulling back the front inner corner of the passenger carpet.
Why is the fuel pump not connected to the ECU?
The ECU does not control the fuel pump operation! If voltage readings are 3.5v without pump connected there is a high resistance somewhere in the feed or ground line. I strongly recommending you to seek Profesional assistance to solve this problem before something else is broken!
What is the turn signal on a Toyota Camry?
Combination SW (Turn Signal SW) Front turn Signal Light LH Front turn Signal Light RH Rear Turn Signal Light LH [Rear Comb.