Does the current draw measure less than the specified value shown but not 0? This is a pressure sensor problem. Tundra Dead Battery, How Do I Open The Door Or Hood To Recharge? Applicability has been updated to include 2016? Applicability has been updated to include 2014? If this problem is not fixed before cold weather hits, the water in the system can freeze and bind the pump, causing it to fail. Blow lightly into disconnected pressure hose, Combi-Valve should be closed. Refer to in Wiring Systems. In addition to storing the code and illuminating the on initial detection, some vehicle models require multiple ignition cycles before an indicator lamp is lit.
Applicability has been updated to include 2013? Failure of this system is commonly attributed to water getting into the induction pumps and sometimes the valves. The cel shows the p2445 now as pending, but the hard fault is the p0418. Check wiring for short circuit to one another in Secondary Air Pump Motor N101 harness connector. After investigating this issue, Toyota found that the sliding surface of the friction level was able to became smooth, creating condensation and causing the accelerator pedal to stick. I bought the truck earlier this year and I stare at that engine light every day, I can't seem to get off the fence. Is the test lamp illuminated? However, like all other vehicles, the Tundra comes with some issues.
Premature Frame Corrosion: Many first-gen Toyota Tundras are prone to premature frame rust. This will eventually result in pump failure. Refer to in Wiring Systems. Although I have had water in the pump I did not see any indication of the inlet hose as the cause. Vacuum is then applied to both Air combination valve diaphragms which opens the shut off valves.
Ineffective Floor Mat Design 2007-2010 Models Only : The floor mat design in 2007-2010 Tundra models makes it easy for the accelerator pedal to get stuck while depressed. I know I technically could fix it either way myself, but replacing all the parts properly just doesn't seem to have a big enough reward. Good luck and try autopartsdirect2you for a new pump and it has life time warranty. Remove hose and vacuum lines from pump and solenoid. Disconnect pressure hose from Secondary Air Pump Motor V101 , by pressing buttons on hose connector. The starter is under the intake manifold and takes about 4 hours to take the intake manifold, fuel injection and some cooling parts off just to get to the starter. From what I read I knew there was a possibility that it would at some point.
On six cylinder engines, tie to an available hole in the radiator fan shroud. If Secondary Air Pump Motor V101 is okay, go to step 7. The valve threads seize to the tube thread and had to be clamped in a vise to remove - I actually had to hacksaw the valve section to get it off the pipe. Remove pump mounting bolts and pump. In 2007, Toyota recalled hundreds of thousands of Tundras to resolve this issue.
Connect the hose with the white nipple to the vacuum source hose. I just replaced the valves which had deteriorated on the inside. I first replaced the pump and within a week of dry weather driving the light came back on. Careful as not to damage the threads. Connect electrical connector for solenoid to connector on the new hose assembly. With legendary truck quality, excellent resale value, and solid all-around capabilities, the Toyota is a great full-size pickup truck. Airbag Propellant Degradation: The front passenger airbag inflator in first-gen Toyota Tundras lacks a chemical drying agent that absorbs moisture.
This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Connect old outlet hose to pump outlet. Refer to in Wiring Systems. Did you find and correct the condition? This problem is further increased if a mechanic fails to inspect and replace a faulty one-way check valve, which allows moisture to buildup and the pump to fail again upon water allowed into the system freezing. Applicability has been updated to include 2015? If Combi-Valve opens when vacuum is applied, Combi-Valve is okay.
There is a Technical service bulletin 04-06-04-015 Regarding this problem, according to the tsb, you will need a new pump and there is a hose assy. Connect hand vacuum pump to disconnected vacuum hose and apply vacuum to Combi-Valve, Combi-Valve should open. It is about the size of a baseball and has two hoses going into it. Disconnect vacuum hose from Secondary Air Injection Valve N112 and disconnect pressure hose from secondary air pump motor, press buttons on pressure hose connector to disconnect pressure hose. The gasket stays between the plate and the head. Has anyone built their own and would be willing to share how? If Combi-Valve does not open when vacuum is applied, replace faulty Combi-Valve.