這個碼是什麼意思？
以下表述對應所列原廠與通報。使用前請核對完整故障碼、回報模組、年式與引擎。
故障碼描述偵測到的異常，不直接指定必須更換的零件。
原廠原文中的含義
原文含義可能隨車型與後綴變化。此處依來源顯示，不代表通用診斷結論。
P0412Secondary Air Injection System Switching Valve "A" Circuit •原廠技術資料
6以下為英文原文
TOYOTA
原文故障碼 P0412
Some 2005 ? 2009 model year 4Runner, 2006 ? 2007 model year Land Cruiser, 2005 ? 2007 model year Sequoia, and 2005 ? 2006 model year Tundra vehicles equipped with the 2UZ-FE (4.7 L) engine may exhibit a MIL ?ON?…
TOYOTA
原文故障碼 P0412
Some 2005 - 2009 model year 4Runner, 2006 - 2007 model year Land Cruiser, 2005 - 2007 model year Sequoia, and 2005 - 2006 model year Tundra vehicles equipped with the 2UZ-FE (4.7 L) engine may exhibit a MIL "ON"…
TOYOTA
原文故障碼 P0412
MIL ON CONDITION WITH DIAGNOSTIC TROUBLE CODES (DTC'S) P0412, P0415, P0418, P0419, P2445, OR P2447. THIS CONCERN MAY BE CAUSED BY THE AIR INJECTION CONTROL DRIVER. *NJ
CADILLAC, PONTIAC
原文故障碼 P0412
ENGINE CRANKS BUT DOES NOT START, NO INJECTOR PULSES, DIAGNOSTIC TROUBLE CODE CODES P0118, P0122, P0335, P0385, P0412, AND/OR P0340 SET. *TT
PONTIAC
原文故障碼 P0412
ENGINE CRANK, NO START, POSSIBLE DIAGNOSTIC TROUBLE CODE (DTC) P0412. *TT
BUICK, CADILLAC, CHEVROLET
原文故障碼 P0412
WATER IN AIR PUMP AND/OR DTC P0410, P0412, P1415, P1416, P0100, P0101, P0102 AND DTC 48 (INSTALL AIR PUMP SERVICE KIT). *TW
核對適用車輛
30車型關聯可作查閱線索；引擎、生產範圍與軟體條件請核對原廠資料。
| 品牌 | 車型 | 年式 |
|---|---|---|
| Buick | ROADMASTER | 1996 |
| Buick | ROADMASTER | 1995 |
| Buick | ROADMASTER | 1994 |
| Cadillac | DEVILLE | 2005 |
| Cadillac | DEVILLE | 2004 |
| Cadillac | FLEETWOOD | 1996 |
| Cadillac | FLEETWOOD | 1995 |
| Cadillac | FLEETWOOD | 1994 |
| Cadillac | SEVILLE | 2004 |
| Chevrolet | CAPRICE | 1996 |
| Chevrolet | CAPRICE | 1995 |
| Chevrolet | CAPRICE | 1994 |
更換零件之前
記錄故障碼與凍結資料，檢查電瓶狀態、相關故障碼和可見線束或軟管損傷。依該車診斷程序與測試結果決定維修，避免僅憑故障碼換件。
還能繼續駕駛嗎？
不能只憑故障碼判斷能否繼續行駛。故障燈閃爍、嚴重抖動、過熱、機油壓力警示或煞車轉向異常需立即注意。影響操控或引擎安全時，應在安全地點停車並求助。以車主手冊為準。