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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Control System (2UZ-FE)) >> SFI System >> 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 >> Typical Enabling Conditions

Typical Enabling Conditions

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.
TYPICAL ENABLING 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 - P0223, P2135: TP sensor
  • P0125: Closed loop
  • P0171, P0172: Fuel trim
  • P0300 - P0308: Misfire
  • P0327 - P0333: Knock sensor
  • P0335: CKP sensor
  • P0340, P0345: VVT sensor
  • P0351 - P0358: Igniter
  • P0450 - P0453: EVAP pressure sensor
  • P0455 - P0456: EVAP system
  • P0500: VSS
  • P2196, P2198: A/F sensor (rationality)
  • P2237, P2240: A/F sensor (open)
  • P2430 - P2433: AIR pressure sensor
  • P2A00, P2A03: A/F sensor (slow response)
Atmospheric pressure 45 kPa (420 mmHg) or more
Battery voltage 11.5 V or higher
AIR monitor runs in accordance with the monitor sequence 1 to 5 -
Monitor Sequence 1
Idle ON
AIR status ON
AIR pump ON
AIR valve ON
Either of following conditions 1 or 2 is met -
1. Both of the following conditions are met -
  • AIR valve bank 1
ON
  • AIR valve bank 2
OFF
2. Both of the following conditions are met -
  • AIR valve bank 1
OFF
  • AIR valve bank 2
ON
Monitor Sequence 2
Idle ON
AIR status ON
AIR valve ON
AIR VSV bank 1 ON
AIR VSV bank 2 ON
Monitor Sequence 3
Engine RPM Less than 3,750 rpm
AIR status ON
AIR pump ON
AIR valve ON
AIR valve bank 1 ON
AIR valve bank 2 ON
Monitor Sequence 4-1 Runs when AIR pressure did not change at monitor sequence 2
Engine RPM Less than 3,750 rpm
AIR status OFF
AIR pump ON
AIR valve ON
Either of following conditions 1 or 2 is met -
1. Both of the following conditions are met -
  • AIR valve bank 1
ON
  • AIR valve bank 2
OFF
2. Both of the following conditions are met -
  • AIR valve bank 1
OFF
  • AIR valve bank 2
ON
Monitor Sequence 4-2
Engine RPM Less than 3,750 rpm
AIR status OFF
AIR pump OFF
AIR valve OFF
AIR VSV bank 1 OFF
AIR VSV bank 2 OFF
Monitor Sequence 5
Engine RPM Less than 3,750 rpm
AIR status OFF
AIR pump OFF
AIR valve ON
AIR VSV bank 1 OFF
AIR VSV bank 2 OFF