Last Modified: 4-30-2014 6.6 G Doc ID: RM0000017XD002X
Model Year: 2006 Model: LX470 Prod Date Range: [05/2005 -           ]
Title: 2UZ-FE EMISSION CONTROL: AIR PUMP: INSPECTION; 2006 MY LX470 [05/2005 -        ]

INSPECTION

1. INSPECT AIR PUMP

(a) Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, and check that air flows.

If operation is not as specified, replace the air pump.

2. INSPECT AIR SWITCHING VALVE

(a) Blow air into port A and check that air is not discharged from port B.

(b) Apply battery voltage across the terminals.

(c) Blow air into port A and check that air is discharged from port B.

If operation is not as specified, replace the air switching valve.

3. INSPECT NO. 2 AIR SWITCHING VALVE

(a) Blow air into port B and check that air is not discharged from port C.

(b) Apply vacuum of 30 kPa (306 gf/cm 2 , 4.35 psi) to port A, blow air into port B and check that air is discharged from port C.

If operation is not as specified, replace the No. 2 air switching valve.