Question about 2001 Toyota Tundra

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Where is the ects relay on 2001 tundra

I blew the 120 amp alternator fuse crossing cables.I bought a reader and it says p1127 etcs actuated power source circuit malfunction.Where should i go from here?Throttle control and radio are not working.Fuses are good,so where are the relays.The radio should have another fuse other than the one in the box.

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  • Toyota Master
  • 20,706 Answers

Doing that (reverse battery,) blows up very extensive electronics.
fuse that look good can be in fact bad.
A pro never guesses, we use a magic $8 tool (walfart) called volt meter to find them.
every time. no guessing. the the mains are huge
too bad you never told what exactly what you did.,
1: removed battery plus cable first (wrong) and wrench hit steel>?
2: installed the battery backwards, boom"
3: removed the alternator , hot or starter (boom)

know what you did ,tells me which fuse blew., for sure.
the voltage will be on both sides of fuse. if fuses is good,some
need key on to be hot.
(rare exceptions)
some cars have fuse links that look like wire are are NOT.

you have no power to the radio ,now, the voltmeter is 0v
there.
so you back up from there
but why
why not start at the travesty area, the battery and check all PDC fuses first for 2 x hot each. need a ASE TRAINING video have it.
fuse that look bad are
fuses that look good,can in FACT be bad, gawd made is a meter
and bingo we are all blessed with truth.

Posted on Dec 26, 2014

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SOURCE: 2001 Sienna rear window defogger doesn't work

There are 3 fuses that control the rear defogger, and 1 relay

The fuses are: 10 amp HEATER, 10 amp MIRROR-HEATER; under the dash
The 30 amp DEF fuse is in the fuse box under the hood
The relay is the DEFOGGER relay, which is on the back side of the fuse panel under the dash

Also, check for a loose wire on the defroster grid (on the back glass), this is the most common problem.


Posted on Oct 20, 2008

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SOURCE: cig lighter fuse blew. renewed but cig lighter and remote key not

you probably didnt change the right fuse and had another one blown at the same time you also could have a primary fuse under the hood that blew. once fixed dont use pump again. not same amps drawn

Posted on May 06, 2009

  • 6 Answers

SOURCE: radio, cigarette lighter, clock display went out

Under the hood there is some. Not sure about your application, but it might control interior stuff too. It will be a bigger amperage than normally inside the car though

Posted on May 20, 2009

  • 1 Answer

SOURCE: 93 corolla 1.8 No start Blown ignition fuse

I had a prolem like this one time a while back. what i did was got the wiring diagram and checked everything that was running through that 30 amp fuse. on the one i was working on it ended up being an injector wire pinched under the valve cover and it didnt short out till the car was driven til it warmed up and expanded after the valve cover gasket was changed. hope this helps!

Posted on Jun 27, 2009

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SOURCE: I have a 99 tacoma with no power to fuel

Look to see if you have power at pin 1 of the circuit opening relay. The C.O. Relay is what powers the fuel pump. If you have power there (a blue wire), you have an open circuit between the relay and the pump.

Posted on Jul 17, 2009

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1 Answer

Code p2118


DESCRIPTION

The ETCS (Electronic Throttle Control System) has a dedicated power supply circuit. The voltage (+BM)

is monitored and when it is low (less than 4 V), the ECM determines that there is a malfunction in the

ETCS and cuts off the current to the throttle actuator.

When the voltage becomes unstable, the ETCS itself becomes unstable. For this reason, when the

voltage is low, the current to the throttle actuator is cut. If repairs are made and the system returns to

normal, turn the ignition switch OFF. The ECM then allows the current to flow to the throttle actuator so

that it can be restarted.

HINT:

The ETCS does not use a throttle cable.

MONITOR DESCRIPTION

The ECM monitors the battery supply voltage applied to the throttle actuator.

When the power supply voltage (+BM) drops below 4 V for 0.8 seconds or more, the ECM interprets this

as an open in the power supply circuit (+BM). The ECM illuminates the MIL and sets the DTC.
If the malfunction is not repaired successfully, the DTC is set 5 seconds after the engine is next started.

Jun 27, 2016 | Cars & Trucks

2 Answers

What causes a malfunction in power locks?


The power door locks are controlled by the BCM -body control module ! The door lock switch is an input to the BCM .
The BCM, upon receipt of a door lock switch lock or unlock signal, will switch the appropriate door lock actuator control circuits to battery positive voltage. The opposing side of the door lock actuators are connected to ground internally within the BCM through the other door lock actuator control circuit and the doors will lock or unlock appropriately.
First thing to do would be check power an ground circuits at the BCM ! Do you have any other systems not working -power windows etc...
The DR/LCK fuse supplies battery positive voltage to the I/P fuse block for the door lock system. The body control module (BCM) supplies and monitors a reference voltage to the door lock switch through the door lock switch lock/unlock signal circuit. The door lock switch also receives a constant ground source. If a door lock switch is placed in the lock position or unlock position, the reference voltage is taken directly to ground and the BCM detects the voltage drop on the signal circuit.
Should have BCM checked for stored DTC'S - diagnostic trouble codes !
Ignition ON, observe the scan tool Driver Door Lock Sw, Psgr Door Lock Sw, Driver Door Unlock Sw and Psgr Door Unlock Sw parameters while using the driver and passenger door lock switches. The parameters should change between Active and Inactive.
?‡'
If the values does not change between the commanded states, refer to Door Lock Switch Malfunction.

Command the driver door and passenger door lock actuators to LOCK and UNLOCK with the scan tool, the doors should LOCK and UNLOCK when changing between commanded states.
?‡'
If a door lock actuator does not perform the LOCK and UNLOCK functions, refer to Door Lock Malfunction


DTC B3130 00: All Door Unlock Circuit

DTC B3135 00: All Door Lock Circuit

Aug 09, 2015 | 2010 Chevrolet Impala

1 Answer

Car cranks but will not start


first thing take the 120 amp fuse out and throw it away
the 100 amp fuse was installed originally to protect the wiring and other related parts
next by connecting to the wrong terminals there is a power surge that can damage the electronics in the ECM unit and alternator
removing a battery for a charge can corrupt the immobiliser system
I would suggest that you use a scanner to read any fault codes that may be stopping the engine and then reset the CPU program in the ECM to reset the immobiliser

Aug 07, 2015 | 1997 Honda CR-V

1 Answer

Polarity was reversed when jump starting vehicle installed new battery & no power to anything mechanic said fuse got blown.What fuse,where it is located & cost of it.


Hard to say without make, year, and model-but check all fuses in the power distribution box under the hood- ignition, alternator fuse, etc.-all of them, the small ones and the maxi-fuses. All fuses are pretty cheap. If you still have nothing, you may need a wiring diagram to check for fusible links that would be power distributors right off or near the battery. Fusible links work much like a fuse, and most have been replaced by maxi-fuses, but many vehicles have both. If there is a designated main fuse, it should be in the distribution block or box under the hood.

Feb 06, 2013 | Cars & Trucks

1 Answer

Headlights and turn signals do not work. Wipers stay on.


I'm going to say you blew a major fuse or fuseable link wire you have not found yet.
The wipers need power from a battery source to stop, the headlights probably are on a battery circuit too. The turn signals would go thru the key switch but the hazard flashers would be also be direct battery.
You may need a wiring diagram (book) to find all of the fuses and circuits.

Jul 01, 2012 | Nissan Pickup Cars & Trucks

1 Answer

Toyota Avalon 120 amp main fuse removal.


you have to loosen the mounting bolts on the fuse panel and on the bottom side the fuse is held in by 2 8 millimeter bolts.

Nov 17, 2009 | 1999 Toyota Avalon

2 Answers

2002 galant. bad/broken positive battery cable. Can i replace it without the 120 amp fuse or will it fry something


never replace a cable like that without the inline fuse. that will protect the system in case of a short..... BE SAFE.

Aug 30, 2009 | 2002 Mitsubishi Galant

1 Answer

I have 8000 miles on my Tucson check engine light came on at start up this morning...gas cap is tight...no problems?????


there are over 200 reasons for the check engine light to come on, the gas tank cap is just one of them, this light and the problem that turned it on are most likely covered under the federal emission warranty, contact the dealer. see trouble code list below for some of the probelems that cause a check enghine light.
P1100 Map Sensor - Malfunction
P1101 Map Sensor - Abnormal
P1102 Map Sensor - Low Input
P1103 Map Sensor - High Input
P1104 Air Flow
P1105 Air Flow - Abnormal
P1106 Air Flow - Low Input
P1107 Air Flow - High Input
P1108 Fuel Pump
P1109 Fuel Pump - Abnormal
P1110 Fuel Pump - Stuck On
P1110 ETS System - Malfunction
P1111 Fuel Pump - Electrical
P1112 Manifold Differential Pressure Sensor
P1112 VGT Actuator - Malfunction
P1113 Manifold Differential Pressure Sensor - Abnormal
P1114 Manifold Differential Pressure Sensor - Low
P1115 Coolant Temperature Input - Abnormal
P1116 Boost Pressure Sensor - Malfunction
P1118 ETS Motor - Malfunction
P1119 Inlet Metering Valve Control
P1120 Electric Governor - Malfunction
P1120 Inlet Metering Valve Malfunction
P1121 APS PWM Output Circuit Malfunction
P1121 Throttle Position Input - Abnormal
P1122 Boost Pressure Control Valve
P1123 Fuel System Rich - Idle
P1123 Timer Position Sensor - Malfunction
P1124 Fuel System Lean - Idle
P1125 Fuel Press Sensor1
P1126 Fuel Press Sensor2
P1127 Fuel System Rich - Part Load
P1127 Control Sleeve Position Sensor
P1128 Fuel System Lean - Part Load
P1130 Start Solenoid- Malfunction
P1131 Injection Quantity Adjust
P1134 O2s Transition Time(B1/S1)
P1135 Injection Timing Servo
P1140 Inlet Air Temperature Sensor Malfunction
P1141 Slow Duty Solenoid- Malfunction
P1145 Main Duty Solenoid- Malfunction
P1146 Idle Co Potentiometer
P1147 Accelerator Position Sensor (ETS) Circuit
P1150 Barometric Pressure Sensor Malfunction
P1151 Accelerator Position Sensor (EMS) Circuit
P1152 Accelerator Position Circuit-Low Input
P1153 Accelerator Position Circuit-High Input
P1154 O2s Transition Time(B2/S1)
P1155 Limp Home Valve- Malfunction
P1159 Variable Induction System
P1162 High Pressure Pump & Fuel Line
P1166 O2s (B1) Control Adaptation
P1166 Limit O2s Lambda Control (B1)
P1167 O2s (B2) Control Adaptation
P1167 Limit O2s Lambda Control (B2)
P1168 O2s (B1/S2) Heater Power
P1169 O2s (B2/S2) Heater Power
P1170 ECM (Barometric Pressure Sensor)
P1171 ETS Valve Stuck - Open
P1172 ETS Improper Motor Current
P1173 ETS Target Following Malfunction
P1174 ETS Valve Stuck - Close #1
P1175 ETS Valve Stuck - Close #2
P1176 ETS Motor Open/Short #1
P1177 ETS Motor Open/Short #2
P1178 ETS Motor Power - Open
P1179 ETS Position F/B-Mismatch
P1180 O2 S1 Heater Circuit- Malfunction
P1180 Fuel Pressure Regulator - Malfunction
P1181 Fuel Pressure Monitoring
P1182 O2 S2 Heater Circuit - Malfunction
P1182 Fuel Pressure Regulator - Short
P1183 Fuel Pressure Regulator - Open
P1184 O2s No Activity (B1/S2)
P1184 Fuel Pressure Regulator - Power
P1185 Fuel Position - Excessive
P1186 Fuel Pressure - Too Low
P1187 Regulator Valve - Stuck
P1188 Fuel Pressure - Leakage
P1189 Governor Deviation
P1190 Intake Throttle Actuator
P1191 ETS Limp Home Valve On
P1192 Limp home - Target Follow Malfunction
P1193 ETS Limp Home - Low Rpm
P1194 Limp Home - TPS2 Position Malfunction
P1195 Limp Home - Target Follow Delay
P1196 ETS Limp Home - Close Stuck
P1300 Spark Timing Adjust Signal
P1300 Injector Specific Data Fault
P1300 Synchronization Error-CKP/CMP
P1301 TDC Sensor - Abnormal
P1302 TDC Sensor - Low Input
P1303 TDC Sensor - High Input
P1304 Phase Sensor
P1305 Phase Sensor - Abnormal
P1306 Phase Sensor - Low Input
P1307 Phase Sensor - High Input
P1307 Accelerator Sensor - Range/Performance
P1308 Ignition Coil.1
P1308 Accelerator Sensor - Low
P1308 Accelerator Sensor Circuit - Low
P1309 Ignition Coil.1 - Abnormal
P1309 Accelerator Sensor - High
P1309 Accelerator Sensor Circuit - High
P1310 Ignition Coil.1 - Low Output
P1310 Injection Control Circuit Fault
P1311 Ignition Coil.1 - High Output
P1312 Ignition Coil.2
P1313 Ignition Coil.2 - Abnormal
P1314 Ignition Coil.2 - Low Output
P1315 Ignition Coil.2 - High Output
P1316 Ignition Coil.3
P1317 Ignition Coil.3 - Abnormal
P1318 Ignition Coil.3 - Low Output
P1319 Ignition Coil.3 - High Output
P1320 Ignition Coil.4
P1321 Ignition Coil.4 - Abnormal
P1321 Glow Indicator Lamp - Short
P1322 Ignition Coil.4 - Low Output
P1322 Glow Indicator Lamp - Open
P1323 Ignition Coil.4 - High Output
P1324 Glow Relay - Malfunction
P1325 Glow Relay - Abnormal
P1325 Glow Relay
P1326 Glow Relay - Stuck On
P1326 Glow Relay - Short
P1327 Glow Relay - Electrical
P1327 Glow Relay - Open
P1330 Spark Timing Adjust Signal
P1331 #1 MF Signal Line Short
P1332 #2 MF Signal Line Short
P1333 #3 MF Signal Line Short
P1334 #4 MF Signal Line Short
P1335 #5 MF Signal Line Short
P1336 #6 MF Signal Line Short
P1337 #7 MF Signal Line Short
P1338 #8 MF Signal Line Short
P1340 IFS 2 Open

Jun 16, 2009 | 2006 Hyundai Tucson

1 Answer

I have problem with code 1126 (toyota 4 runner 2001


Manufacturer Specific Codes

P1100
BARO Sensor Circuit - Read Our Article on Automotive Circuit Testing For Help With This Toyota Check Engine Light Code

P1120 Accelerator Pedal Position Sensor Circuit - Read Our Article on Automotive Circuit Testing For Help With This Toyota Check Engine Light Code

P1121 Accelerator Pedal Position Sensor Range/Performance Problem

P1125 Throttle Control Motor Circuit - Read Our Article on Automotive Circuit Testing For Help With This Toyota Check Engine Light Code

P1126 Magnetic Clutch Circuit

P1127 ETCS Actuator Power Source Circuit

P1128 Throttle Control Motor Lock

P1129 Electric Throttle Control System

P1130 Air/Fuel Sensor Circuit Range/Performance (Bank 1 Sensor 1) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code - More Related Information

P1133 Air/Fuel Sensor Circuit Response (Bank 1 Sensor 1) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code

P1135 Air/Fuel Sensor Heater Circuit Response (Bank 1 Sensor 1) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code - More Related Information

P1150 Air/Fuel Sensor Circuit Range/Performance (Bank 1 Sensor 2)

P1153 Air/Fuel Sensor Circuit Response (Bank 1 Sensor 2) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code

P1155 Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)

P1200 Fuel Pump Relay Circuit

P1300 Igniter Circuit Malfunction - No. 1

P1305 Igniter Circuit Malfunction - No. 2

P1335 No Crankshaft Position Sensor Signal - Engine Running

P1349 VVT System

P1400 Sub-Throttle Position Sensor

P1401 Sub-Throttle Position Sensor Range/Performance Problem

P1405 Turbo Pressure Sensor Circuit

P1406 Turbo Pressure Sensor Range/Performance Problem

P1410 EGR Valve Position Sensor Circuit Malfunction - Read Our Article on EGR Valve Codes For Help With This Toyota Check Engine Light Code

P1411 EGR Valve Position Sensor Circuit Range/Performance - Read Our Article on EGR Valve Codes For Help With This Toyota Check Engine Light Code

P1500 Starter Signal Circuit

P1510 Boost Pressure Control Circuit

P1511 Boost Pressure Low

P1512 Boost Pressure High

P1520 Stop Lamp Switch Signal Malfunction

P1565 Cruise Control Main Switch Circuit

P1600 ECM BATT Malfunction

P1605 Knock Control CPU

P1630 Traction Control System

P1633 ECM

P1652 Idle Air Control Valve Control Circuit

P1656 OCV Circuit

P1658 Wastegate Valve Control Circuit

P1661 EGR Circuit

P1662 EGR Bypass Valve Control Circuit

P1700 Vehicle Speed Sensor '2' Circuit Fault

P1705 Direct Clutch Speed Circuit Fault

P1765 Linear Shift Solenoid Circuit Fault

P1780 Park/Neutral Position Switch Malfunction (Only For A/T)

Back To Top Of Toyota Check Engine Light Codes Page

Mar 21, 2009 | 2002 Toyota 4Runner

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