Toyota Camry (XV70): Navigation Ecu
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Components
COMPONENTS ILLUSTRATION
*A for 7 Inch Display
*B for 9 Inch Display
*C w/o Manual (SOS) Switch
*D w/ Manual (SOS) Switch
*1 CENTER INSTRUMENT CLUSTER FI
Removal
REMOVAL PROCEDURE 1. PRECAUTION
NOTICE:
When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly or na
Installation
INSTALLATION PROCEDURE 1. PRECAUTION
NOTICE:
When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the audio and visual system.
*: Use the Techstream.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
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2.
CUSTOMER PROBLEM ANALYSIS
When troubleshooting, c
ECM Power Source Circuit
DESCRIPTION When the engine switch is turned on (IG), the battery voltage is applied to the IGSW terminal of the ECM.
The output signal from the MREL terminal of the ECM causes a current to flow to the coil of the EFI-MAIN NO. 1 relay, closing the contacts and supplying power to terminals +B and +
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