DTC P1442 Stuck Close in Secondary Air Injection Vacuum Switching Valve Bank 1: DTC P1445 Stuck Close in Secondary Air Injection Vacuum Switching Valve Bank 2: DTC P2441 Secondary Air Injection System Switching Valve Stuck Close Bank 1: Description
WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTC P0412 .
DTC TROUBLE DETECTION CONDITION
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P1442 | No. 2 air switching valve (bank 1) stuck closed: No pressure change (decrease) after the ECM sends an open No. 2 air switching valve (bank 1) signal. (2 trip detection logic) |
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| P1445 | No. 2 air switching valve (bank 2) stuck closed: No pressure change (decrease) after the ECM sends an open No. 2 air switching valve (bank 2) signal. (2 trip detection logic) |
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| P2441 | Air switching valve stuck closed: The pressure sensor does not detect exhaust pulsation when system operates. (All of air switching valve ON) This DTC means either of the following conditions is met.
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