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
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) |
- VSV for air injection system circuit (bank 1)
- Vacuum hose (VSV for air injection system - No. 2 air switching valve)
- Air injector pipe (No. 2 air switching valve - exhaust manifold)
- No. 2 air switching valve (bank 1)
- VSV for air injection system (bank 1)
- ECM
|
| 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) |
- VSV for air injection system circuit (Bank 2)
- Vacuum hose (VSV for air injection system - No. 2 air switching valve)
- Air injector pipe (No. 2 air switching valve - exhaust manifold)
- No. 2 air switching valve (bank 2)
- VSV for air injection system (bank 2)
- ECM
|
| 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.
- Electromagnetic air switching valve stuck closed.
- Both of "No. 2 air switching valve (bank 1)" and "No. 2 air switching valve (Bank 2)" are stuck closed. (2 trip detection logic)
|
- Vacuum hoses (Throttle body - VSVs for air injection system)
- Air switching valve
- Air injector pipe (No. 2 air switching valve - exhaust manifold)
- Air injection hose
- No. 2 air switching valve (bank 1 and/or 2)
- VSV for air injection system (bank 1 and/or 2)
- Air injection control driver
- Air injection control driver circuit
- ECM
|