Toyota Camry (XV70): How To Troubleshoot Ecu Controlled Systems
Toyota Camry Repair Manual XV70 (2018-2024) / General / Introduction / How To Troubleshoot Ecu Controlled Systems
- General Information
- Electronic Circuit Inspection Procedure
- How To Proceed With Troubleshooting
- General Information
- Electronic Circuit Inspection Procedure
- How To Proceed With Troubleshooting
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General Information
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
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
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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Pressure Control Solenoid "H" Circuit Short to Ground or Open (P281614)
DESCRIPTION Refer to DTC P281612. Click here
DTC No. Detection Item
DTC Detection Condition Trouble Area
MIL Memory
Note P281614
Pressure Control Solenoid "H" Circuit Short to Ground or Open
While the vehicle is being driven so that gear changes occur,
Compressor Lock (B1422)
DESCRIPTION The ECM sends the engine speed signal to the air conditioning amplifier assembly via CAN communication.
The air conditioning amplifier assembly reads the difference between compressor speed and engine speed. If the difference becomes excessively large, the air conditioning amplifier ass
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