Lexus ES: Parts Location
PARTS LOCATION
ILLUSTRATION
| *1 | TILT AND TELESCOPIC SWITCH | *2 | STEERING COLUMN ASSEMBLY - TILT MOTOR - TELESCOPIC MOTOR |
| *3 | NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - TI&TE FUSE | *4 | INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-DCC NO. 2 FUSE - ECU-IG1 NO. 4 FUSE |
| *5 | MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) | *6 | COMBINATION METER ASSEMBLY |
| *7 | MULTI-DISPLAY ASSEMBLY | *8 | NETWORK GATEWAY ECU |
| *9 | MULTIPLEX TILT AND TELESCOPIC ECU | *10 | DLC3 |
| *11 | OUTER MIRROR CONTROL ECU ASSEMBLY (Driver Door) | *12 | SEAT MEMORY SWITCH |
| *13 | POSITION CONTROL ECU ASSEMBLY (Driver Seat) | *14 | FRONT SEAT INNER BELT ASSEMBLY (Driver Seat) |
| *15 | RADIO RECEIVER ASSEMBLY | - | - |
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System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Main Body ECU (Multiplex Network Body ECU) Multiplex Tilt and Telescopic EC
System Description
SYSTEM DESCRIPTION FUNCTION OF MAIN COMPONENTS Component Function Multiplex tilt and telescopic ECU This ECU sends a control signal to the tilt motor (steering column assembly) and telescop
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary bat
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ECU Power Source Circuit
DESCRIPTION If the power switch is on (IG), the hybrid vehicle control ECU applies current to the MREL terminal to turn the IGCT relay on. This supplies power to the +B1 and +B2 terminals. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: After turning the power switch off, waiting time may be require
Windshield Deicer does not Operate
DESCRIPTION When the front wiper deicer switch is operated, the operation signal is transmitted to the air conditioning amplifier assembly directly. When the air conditioning amplifier assembly receives the signal, it turns on the DEICER relay to operate the windshield deicer system. WIRING DIAGRAM
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