Toyota Camry (XV70): How To Troubleshoot Ecu Controlled Systems
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GENERAL INFORMATION
A large number of ECU controlled systems are used in this vehicle. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical
ELECTRONIC CIRCUIT INSPECTION PROCEDURE BASIC INSPECTION
(a) WHEN MEASURING RESISTANCE OF ELECTRONIC PARTS (1) Unless otherwise stated, all resistance measurements are standard values measured at an
HOW TO PROCEED WITH TROUBLESHOOTING OPERATION FLOW
HINT: Perform troubleshooting in accordance with the procedure below. The following is an outline of basic troubleshooting procedure. Confirm the t
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INSTALLATION CAUTION / NOTICE / HINT
NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
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PROCEDURE
1. INSTALL VACUUM PUMP ASSEMBLY (a) When reusing the vacuum pump assembly:
DESCRIPTION The Malfunction Indicator Lamp (MIL) is used to indicate vehicle malfunctions detected by the ECM.
The MIL operation can be checked visually. When the engine switch is first turned on (IG), the MIL should be illuminated and should then turn off after the engine is started. If the MIL r