1. Remove the vacuum hose..
2. Verify that air can be blown from the power brake unit side of the vacuum hose towards the vacuum pump side, and that air cannot be blown in the opposite direction.

If there is any malfunction of the inner check valve, replace it together with the vacuum hose as a single unit.
Vacuum Hose Removal/Installation
Vacuum Pump InspectionUnits
   
	
		
		Electric current
		
		
		A (ampere)
		
	
	
		
		Electric power
		
		
		W (watt)
		
	
	
		
		Electric resistance
		
		
		ohm
		
	
	
		
		Electric voltage
		
		
		V (volt)
		
	
	
		
		Length
		
		
		mm (millimeter)
		
	
	
		
		in (inch)
		
	
	
	 ...
   
Tie Rod End Inspection
   1. Inspect the tie-rod end for damage and the boot for cracks. 
	
	If there is any malfunction, replace the tie-rod end. 
	
2. Inspect for excessive play. 
	
	If there is any malfunction, replace the tie-rod end.
	
3. Rotate the tie-rod end five times. 
4. Install two nuts to the ba ...
   
Power Window Main Switch Inspection
   1. Disconnect the negative battery cable.. 
2. Remove the following parts: 
a. Inner garnish. (driver's side). 
b. Front door trim. (driver's side). 
c. Power window main switch. 
3. Connect the power window main switch connector. 
4. Connect the negative battery cable.. 
5. Measure t ...