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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 P2444 Secondary Air Injection System Pump Stuck On Bank 1: DTC P2445 Secondary Air Injection System Pump Stuck Off Bank 1 >> Description

DTC P2444 Secondary Air Injection System Pump Stuck On Bank 1: DTC P2445 Secondary Air Injection System Pump Stuck Off 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
P2444  Air pump stuck ON.
The secondary air pressure is more than 5 kPa (38 mmHg) despite the ECM ordering the air pump to turn off. (2 trip detection logic)
  • Short in air pump circuit
  • Air injection control driver (AID)
  • Pressure sensor
  • Open or short in pressure sensor circuit
  • ECM
P2445  Air pump stuck OFF or air injection volume is insufficient.
The amount of air flow is below the criteria. (The secondary air pressure is less than specified value despite the ECM ordering the air pump turn ON.) (2 trip detection logic)
  • Air pump fuse
  • Vacuum hose
  • Air pump assembly
  • Air injection control driver (AID)
  • Open in air pump circuit
  • Air injection system piping
  • Pressure sensor
  • Open or short in pressure sensor circuit
  • ECM