P0412 Diagnostic Trouble Code Discussion for April 2016
Secondary AIR Solenoid Control Circuit Malfunction
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| Help Request | Posted | |
| 2005 Toyota Tundra SR5 4.7L MIL Lamp on VIN: 5TBDT44195 P0412: Secondary Air Injection System Switching Valve 'A' Circuit Malfunction. ... in with the DTC P0412, When the engine is running first thing with the engine cold, you can hear the Air Injection pump trying to pass air through the Air switching valve. I removed the intake manifold and checked the voltage to the air switching valve KOE... |
April 08, 2016 | |
| 2005 Toyota Tundra SR5 4.7L MIL Lamp on VIN: 5TBDT44195 P0412: Secondary Air Injection System Switching Valve 'A' Circuit Malfunction. ... in with the DTC P0412, When the engine is running first thing with the engine cold, you can hear the Air Injection pump trying to pass air through the Air switching valve. I removed the intake manifold and checked the voltage to the air switching valve KOE... |
April 23, 2016 |
