Toyota Camry (XV70): On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. OPERATION CHECK
(a) Slide the clip and disconnect the union to check valve hose from the vacuum pump assembly.
| (b) Connect the hose of the vacuum gauge to the vacuum pump assembly. |
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(c) Start the engine and warm it up for more than 2 minutes.
(d) With the engine idling, check the vacuum of the vacuum pump assembly.
Standard Pressure:
More than 86.7 kPa (650 mmHg, 25.6 in.Hg)
If the pressure is less than the standard, disassemble and inspect the vacuum pump. If necessary, replace the vacuum pump assembly.
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HINT:
Always perform this operation check procedure after replacing or servicing the vacuum pump assembly.
(e) Remove the vacuum gauge from the vacuum pump assembly.
(f) Connect the union to check valve hose to the vacuum pump assembly, and slide the clip to secure it.
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REMOVAL CAUTION / NOTICE / HINT
NOTICE: This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
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DISASSEMBLY PROCEDURE 1. REMOVE END COVER
(a) To prevent the coupling of the vacuum pump assembly from contacting the workbench, support the vacuum pump assembly with wooden blocks or an equival
REASSEMBLY PROCEDURE 1. CLEAN VACUUM PUMP HOUSING
(a) Clean the inside surface of the vacuum pump housing. 2. INSTALL VACUUM PUMP ROTOR
(a) Clean the vacuum pump rotor. (b) Apply engine oil to the
SEE MORE:
DESCRIPTION The fuel trim is related to the feedback compensation value, not to the basic injection duration. The fuel trim consists of both the short-term and long-term fuel trims.
The short-term fuel trim is fuel compensation that is used to constantly maintain the air fuel ratio at stoichiometr
PROCEDURE
1. CHECK DISPLAY SETTING
(a) Reset display settings (contrast, brightness) and check that the screen appears normal.
OK: The display returns to normal.
OK
END
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE