What is AM2 fuse Toyota?
AM2 fuse powers the ignitor, coil, injectors, engine and trans ECU, EFI main relay. A white/red wire. The is a noise filter (capacitor) behind the air cleaner box, firewall side.
Why does my AM2 fuse keep blowing?
So, if the AM2 Fuse is blowing, that must mean there’s a short between the AM2 fuse and the ignition switch, or there’s an internal short in the ignition switch.
What does the AM1 fuse do?
AM1 feeds: 15A Cigarette Lighter Fuse & the 7.5A ECU IGN fuse. However, if you have an aftermarket alarm w/either ignition kill, starter kill, &/or remote start… something could be hosed up with that.
What does St mean in fuse box?
ST = Starter. And those arent fuses, they are actually relays.
What is the EFI relay?
The fuel pump relay is an electronic component that is found on virtually all vehicles equipped with an internal combustion engine. It is often found in the fuse box located in the engine bay and functions as the primary electronic switch that controls power to the fuel pump.
Where is the main fuse located?
The main fuse box is located on the passenger’s side near the battery. To open it, push the two tabs as shown. All the electrical circuits in your car have fuses to protect them from a short circuit or overload.
How do I know if my EFI relay is bad?
Here are the symptoms of a bad or failing fuel pump relay
- Engine stalls. One of the first symptoms of an issue with the fuel pump relay is an engine that suddenly stalls.
- Engine does not start. Another symptom of a faulty fuel pump relay is an engine that does not start.
- No noise from the fuel pump.
What is the function of EFI main relay?
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.
Can ECM drain battery?
Battery drain or dead battery A failed ECM power relay can also cause a battery drain or dead battery. This will place a parasitic drain on the battery, which will eventually cause it to go dead. The ECM power relay is one of the most important relays as it provides power for the vehicle’s computer system.
What kind of Fuse does a Toyota AM2 use?
It’s normally a 30A fuse and I temporarily replaced it with a 20A fuse just to try. The engine started up fine and I let it run for about 5 minutes. I shut it off and went to the hardware store to buy some 30A fuses. When I took the 20A fuse out that was in there, I noticed it was blown. I replaced it with a 30A and that blew too.
What are the fuse boxes on a Toyota MR2?
Light Control SW [Comb. SW] Tail and Rear Side Marker Light LH [Rear Comb. Light LH] Tail and Rear Side Marker Light RH [Rear Comb. Light RH] Water Temp. Sender Cooling Fan Warning Light [Comb. Meter] ABS Warning Light [Comb. Meter] Check Engine Warning Light [Comb. Meter] Cruise Control Indicator Light [Comb. Meter] O/D Off Indicator Light [Comb.
What happens if you blow the AM2 fuse?
When you hit START the ign switch gate flips, and it starts drawing power from the AM2 circuit. That circuit provides the starter with an “open starter relay and start the car” signal. Then when you get off the START back to ON, it tells the car to resume normal operating mode. So, if AM2 is messed, it will just not engage the starter itself.
What are the lights on a Toyota MR2?
Steering Position Sensor [Comb. SW] Turn Signal Indicator Lights [Comb. Meter] Turn Signal SW [Comb. SW Rear Turn Signal Light LH [Rear Comb. Light LH] Rear Turn Signal Light RH [Rear Comb. Light RH] Wiper and Washer SW [Comb. SW] Stop Light LH [Rear Comb. Light LH] Stop Light RH [Rear Comb. Light RH] A/T Indicator Light [Comb. Meter]