POWER ASSIST SYSTEMS POWER STEERING SYSTEM PRECAUTION SYSTEM DESCRIPTION(2011/10 - 2012/04) SYSTEM DESCRIPTION(2012/04 - ) PROBLEM SYMPTOMS TABLE(2011/10 - 2012/04) PROBLEM SYMPTOMS TABLE(2012/04 - 2012/10) PROBLEM SYMPTOMS TABLE(2012/10 - ) ON-VEHICLE INSPECTION(2011/10 - 2012/01) ON-VEHICLE INSPECTION(2012/01 - 2012/04) ON-VEHICLE INSPECTION(2012/04 - 2012/10) ON-VEHICLE INSPECTION(2012/10 - ) VANE PUMP (for 1GR-FE) COMPONENTS REMOVAL DISASSEMBLY INSPECTION REASSEMBLY INSTALLATION(2012/04 - 2012/10) INSTALLATION(2012/10 - ) VANE PUMP (for TR Series Engine) COMPONENTS REMOVAL DISASSEMBLY INSPECTION REASSEMBLY INSTALLATION(2011/10 - 2012/01) INSTALLATION(2012/01 - 2012/04) INSTALLATION(2012/04 - ) VANE PUMP (for KD Series Engine) COMPONENTS REMOVAL DISASSEMBLY INSPECTION REASSEMBLY INSTALLATION(2011/10 - 2012/01) INSTALLATION(2012/01 - 2012/04) INSTALLATION(2012/04 - )