| Last Modified: 7-3-2017 | 6.8:8.0.40 | Doc ID: RM0000017XD006X |
| Model Year Start: 2007 | Model: LX470 | Prod Date Range: [08/2006 - ] |
| Title: 2UZ-FE EMISSION CONTROL: AIR PUMP: INSPECTION; 2007 MY LX470 [08/2006 - ] | ||
INSPECTION
1. INSPECT AIR PUMP
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(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. |
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2. INSPECT AIR SWITCHING VALVE
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(a) Blow air into port A and check that air is not discharged from port B. |
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(b) Apply battery voltage across the terminals. |
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(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
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(a) Blow air into port B and check that air is not discharged from port C. |
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(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. |
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