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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 935 (Engine Control System - Diagnostic Codes (3 Of 3)) >> DTC P1442, P1445, P2441: Stuck Close in Secondary Air Injection Vacuum Switching Valve Bank 1; Stuck Close in Secondary Air Injection Vacuum Switching Valve Bank 2; Secondary Air Injection System Switching Valve Stuck Close Bank1 >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Common conditions 

TYPICAL ENABLING CONDITIONS TABLE - COMMON CONDITIONS

This monitor runs whenever these DTCs are not present
  • P0010 - P0022: VVT system
  • P0031 - P0052: Front A/F sensor heater
  • P0100 - P0103: MAF sensor
  • P0110 - P0113: IAT sensor
  • P0115 - P0118: ECT sensor
  • P0120 - P2125: TP sensor
  • P0125: Closed loop
  • P0171 - P0175: Fuel trim
  • P0300 - P0308: Misfire
  • P0325 - P0333: Knock sensor
  • P0335: CKP sensor
  • P0340 - P0346: VVT sensor
  • P0351 - P0358: Igniter
  • P0441 - P2420: EVAP system
  • P0500: VSS
  • P1340: CMP sensor
  • P2195 - P2A03: A/F sensor
  • P2430 - P2433: AIR pressure sensor
Atmospheric pressure 45 kPa or higher
Battery voltage 11.5 V or higher
Sequence 1 - 5 are performed to monitor AIR -
[Sequence 1] -
Idle ON
AIR In operation
AIR pump ON
AIR valve ON
AIR VSV bank 1 ON (OFF)
AIR VSV bank 2 OFF (ON)
[Sequence 2] -
Idle ON
AIR In operation
AIR valve ON
AIR VSV bank 1 ON
AIR VSV bank 2 ON
[Sequence 3] -
Engine RPM Less than 3,750 rpm
AIR In operation
AIR pump ON
AIR valve ON
AIR VSV bank 1 ON
AIR VSV bank 2 ON
[Sequence 4-a] Performed when AIR pressure changes at sequence 2
Engine RPM Less than 3,750 rpm
AIR Not operating
AIR pump OFF
AIR valve OFF
AIR VSV bank 1 OFF
AIR VSV bank 2 OFF
[Sequence 4-b] Performed when AIR pressure does not change at sequence 2
Engine RPM Less than 3,750 rpm
AIR Not operating
AIR pump ON
AIR valve ON
AIR VSV bank 1 ON (OFF)
AIR VSV bank 2 OFF (ON)
[Sequence 5] -
Engine RPM Less than 3,750 rpm
AIR Not operating
AIR pump OFF
AIR valve ON
AIR VSV bank 1 OFF
AIR VSV bank 2 OFF