5 months ago. Hi Could mean there is one fault causing many faults, example, Air mass sensor, this can cause rough idle and over fuelling so the code reader will just send it back with undefined as there are to many faults to identify as the cause. NOTE: Not all trouble codes will activate MIL (CHECK ENGINE light) Before proceeding, make sure the: When the ECM detects problems with the throttle control motor circuit, this code is triggered. When the throttle opening angle continues to vary greatly from the target throttle opening angle, this code is triggered. The DLC (diagnostic connector) is located under the dash on the drivers side. While the list of codes below isn't comprehensive, it's a decent place to start learning about what could be wrong with your vehicle whenever a particular code is set. When this code is stored in your ECM, it is likely due to a faulty evaporative emission system (EVAP) vapor pressure sensor. To check, open the TC and CG terminals of the DLC 3 connector. It may also have poor connection or there may be a short in the harness for the coil. Another possible cause could be a short in the harness leading to the actuator. A 1 1/2-second pause separates first and second digits of code. In some cases, there may be a problem with the ECM connection or short in the wiring harness. Other causes include: Inadequate fuel pressure; Bad fuel injectors; Leaks in the air intake; Exhaust leaks; P0133 - Heated Oxygen Sensor Circuit Slow Response Bank 1 Sensor 1 31 - Front right-wheel speed sensor (fault) 32 - Front left wheel speed sensor (fault) 33 - Rear right wheel speed sensor (fault) 34 - Rear left wheel speed sensor (fault) 41 - Battery voltage too high or too low 43 - Deceleration sensor (fault in the circuit) 44 - Deceleration sensor (open or short circuit in the circuit) Most of the time, it indicates that the catalytic converter is not working how it should. This signal is used to detect when the brakes have been applied. The MAF may be disconnected, the wiring to the MAF may be bad, or the MAF sensor could be faulty. Most likely, it does not have enough oxygen storage capacity. Replacing the knock sensor almost always resolves the problem. Same Day Shipping. There may also be a short in the wiring harness for the switch. P0011 2004 TOYOTA COROLLA 5,317 Views Camshaft Position 'A' Timing Over-Advanced or System Performance Bank 1 3ZZ-FE Engine P0011 2005 TOYOTA COROLLA 6,871 Views All Rights Reserved. We are open and processing orders! Error code 33(3) 1999 toyota landcruiser 1 hd fte diesel Check engine light is on even after removing it via diagnostics Posted by Anonymous on Apr 14, 2012 Replacing the proper knock sensor almost always resolves the problem. This sensor is located on top of the EGR valve. This code indicates a problem your Toyota's engine control module, or ECM. Connect the ignition and within 8 seconds. Sw 2 not switch 2 . P0300 indicated a random, or multiple misfires. 96 & later are OBD2 systems and require a scantool Note: We are finding that some 94 & 95 Toyota vehicles are OBD2 compliant and require a scan tool. 1 readout fault codes on TOYOTA HIACE OBD Code P0016, Hex Code 0016, Decimal Code 22 ( 1 times read) ECU Engine Control Module (ECM) (1 times read) This code indicates that a misfire has been detected on engine cylinder 1. Carmanualshub.com Automotive PDF manuals, wiring diagrams, fault codes, reviews, car manuals and news! When this code is present in your ECM, your vehicle's computer has detected that not all cylinders are firing as they should. Very common ECU/ECM fault for the RAV4 built after 2000, the common symptoms are described as feeling as though the gears are slipping and then banging in to place. This basically indicates a problem with the the MAF sensor or circuit. Also where is best too buy them and what do I ask for. Code 35 Altitude compensation sensor signal fault. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. Is that them . The EGR is designed to inject the correct amount of exhaust gas into each cylinder prior to combustion. 1 month ago. Replacing the sensor will almost always get rid of the code. This code is alerting you that a knock sensor is not working properly. 23 readout fault codes on TOYOTA AYGO OBD Code C1544, Hex Code 5544, Decimal Code 21828 ( 4 times read) ECU Power Steering (4 times read) ©2016 Olathe Toyota Parts Center. Are all 5 switches separate are is it a 3 and a 2 .. OBD II Fault Codes; ... Toyota RAV4 ECU/ECM. No Hassle Returns. This code indicates that too much exhaust gas recirculation (EGR) is occurring -- the result is an overly-rich mix of oxygen in the air/fuel ratio and higher engine temps. It usually indicates a bad vacuum switch or leak in the EVAP system that is preventing fuel vapors from reaching the canister. And read the trouble codes according to the number of P / S indicator flashes. OBDII Toyota Code Definitions. Possible problems prompting this code have to be with the crankshaft position sensor. When the signal from the crankshaft position sensor is not detected by the ECM right after cranking the vehicle, this code with be triggered. Other problems might be found in the connection with the relay or the wiring for the relay. Otherwise, check for a short in the wiring harness or poor electrical connection. the only places that sell the switches as far as i know is mitsy,you need to make sure the connector is unpluged before unscrewing the switch and vice versa or you will snap the wire, Which part of the PDF shows how too clean them. The information below may apply to Toyota Sequoia, Sprinter Carib and many other models. The Mitsubishi Pajero, Shogun, Montero, Challenger, Raider and EVO 4x4 Owner's Club. To remove errors, plug out the TS and CG pins of the DLC 3. The sensor itself is likely bad. Scan Tool for Codes and Live Data for your Toyota ABS from $149.95. When the ECM has detached a fault in the injector for cylinder 4 or a fault in the wiring for the injector, this code is triggered. When that alarming warning light on your dash illuminates to alert you to "service engine soon" or "check engine", your Toyota is trying to tell you something. Check your emissions decal under the hood to confirm if you have an OBD2 compliant vehicle. This code indicates a problem with the rear oxygen sensor on bank 1. if they are the same switches on a mark 2 then you will need a 22mm stubby spanner and some good gloves unless you don,t mind skinning and nipping your knuckles and fingers... Definitely better to test them at the 4WD control unit connector in the dashboard before rummaging around on the top of the transfer box.