M.I.L. “ON” DTC P0171, P030#, and/or P0133 Engine Running Lean in Subfreezing Ambient Temperatures – 2003-2008 Toyota Corolla & Matrix

EG045-07 October 27, 2007   Title: M.I.L. “ON” DTC P0171, P030#, AND/OR P0133 ENGINE RUNNING LEAN IN SUBFREEZING AMBIENT TEMPERATURES   Models: ’03 – ’08 Corolla & Matrix (1ZZ–FE)   Introduction Following a cold soak in subfreezing ambient temperatures, some 2003 – 2008 model year Corolla and Matrix vehicles equipped with a 1ZZ-FE engine may exhibit a … Read more

Front Passenger Foot Area Wet – 2003-2005 Toyota Echo & 2004-2006 Scion xA & xB

AC005-05 September 13, 2005   Title: FRONT PASSENGER FOOT AREA WET Models: ’03 – ’05 ECHO & ’04 – ’06 Scion xA & xB   Introduction On some ECHO, Scion xA, and Scion xB vehicles, a condition may exist that allows the evaporator drain hose to become detached, causing the passenger foot well to become … Read more

Accessory Drive Belt/Belt Tensioner Assembly Noise – 2003-2007 Toyota Corolla & Matrix

EG021-07 April 17, 2007   Title: ACCESSORY DRIVE BELT/BELT TENSIONER ASSEMBLY NOISE Models: ’03 – ’07 Corolla & Matrix   Introduction Some 1ZZ-FE and 2ZZ-GE engines may exhibit a squealing and/or rattling noise coming from the engine compartment during vehicle operation. The belt tensioner assembly has been improved to correct this condition.   Applicable Vehicles … Read more

M.I.L. “ON” DTC P0420 – 2001-2003 Toyota Sienna

EG047-05 October 19, 2005   Title: M.I.L. “ON” DTC P0420   Models: ’01 – ’03 Sienna   Introduction Under certain driving conditions, some 2001 – 2003 model year Sienna vehicles may exhibit a M.I.L. “ON” with the following DTC: P0420 (Catalyst System Efficiency Below Threshold [Bank 1]) The Engine Control Module (ECM) (SAE term: Powertrain … Read more

Active Height Control Relay – 2002-2003 Lexus LX 470

SU002-03 September 12, 2003   Title: ACTIVE HEIGHT CONTROL RELAY   Models: ’02 – ’03 LX 470   Introduction Some 2002 and 2003 model year LX 470 vehicles may exhibit a flashing AHC (Active Height Control) “OFF” light with DTC C1743 in AHC ECU memory. A change has been made to the Active Height Control … Read more