Lexus ES: Parts Location
PARTS LOCATION
ILLUSTRATION
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| *1 | ACCELERATOR PEDAL SENSOR ASSEMBLY | *2 | COMBINATION METER ASSEMBLY |
| *3 | AIR CONDITIONING AMPLIFIER ASSEMBLY | *4 | SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY) |
| *5 | NO. 3 RELAY BLOCK - IGCT RELAY | *6 | SHIFT POSITION INDICATOR |
| *7 | DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY) | *8 | SHIFT LOCK CONTROL UNIT ASSEMBLY - TRANSMISSION CONTROL SWITCH |
| *9 | AIRBAG ECU ASSEMBLY | *10 | HYBRID VEHICLE CONTROL ECU |
| *11 | NO. 4 RELAY BLOCK - PCU FUSE - IGCT NO. 2 FUSE - PM-IGCT FUSE - BATT FAN FUSE - INV W/PMP FUSE | *12 | INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-B NO. 2 FUSE - BKUP LP FUSE - ECU-IG1 NO. 1 FUSE - ECU-ACC FUSE - ECU-IG1 NO. 3 FUSE |
| *13 | SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY | *14 | DLC3 |
| *15 | EV MODE SWITCH (NO. 3 COMBINATION SWITCH ASSEMBLY) | - | - |
ILLUSTRATION
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| *1 | ECM | *2 | INVERTER WITH CONVERTER ASSEMBLY |
| *3 | COMPRESSOR WITH MOTOR ASSEMBLY | *4 | INVERTER WATER PUMP ASSEMBLY |
| *5 | HYBRID VEHICLE TRANSAXLE ASSEMBLY | *6 | HV FLOOR UNDER WIRE |
| *7 | HV BATTERY | *8 | AUXILIARY BATTERY |
| *9 | FUSIBLE LINK BLOCK ASSEMBLY - IGCT FUSE | *10 | NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - ECU-IG2 NO. 1 FUSE - IG2 NO. 1 RELAY - DC/DC FUSE - IG2-MAIN FUSE |
ILLUSTRATION
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| *1 | INVERTER WITH CONVERTER ASSEMBLY | *2 | LOW VOLTAGE CONNECTOR |
| *3 | AIR CONDITIONING WIRE CONNECTION | *4 | HV FLOOR UNDER WIRE CONNECTION |
| *5 | MOTOR CABLE CONNECTION | *6 | INVERTER COVER |
| *7 | AMD TERMINAL | *8 | MOTOR CABLE |
| *9 | HYBRID VEHICLE TRANSAXLE ASSEMBLY | *10 | SHIFT LEVER POSITION SENSOR |
| *11 | MOTOR TEMPERATURE SENSOR AND GENERATOR TEMPERATURE SENSOR CONNECTOR | *12 | MOTOR RESOLVER, GENERATOR RESOLVER AND TRANSMISSION FLUID TEMPERATURE SENSOR CONNECTOR |
ILLUSTRATION
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| *1 | SERVICE PLUG GRIP | *2 | BATTERY COOLING BLOWER ASSEMBLY |
| *3 | BATTERY ECU ASSEMBLY | *4 | HYBRID BATTERY TERMINAL BLOCK |
| *5 | HV BATTERY JUNCTION BLOCK ASSEMBLY | *6 | BATTERY CURRENT SENSOR |
| *7 | SMRB | *8 | SMRP |
| *9 | SMRG | *10 | SYSTEM MAIN RESISTOR |
ILLUSTRATION
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| *1 | NO. 1 HV SUPPLY STACK SUB-ASSEMBLY | *2 | NO. 2 HV SUPPLY STACK SUB-ASSEMBLY |
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System Diagram
SYSTEM DIAGRAM
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
*: Use the Techstream
Use the following procedure to troubleshoot the motor generator control system.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Utility
UTILITY ALL READINESS HINT:
With "All Readiness", you can check whether or not the DTC judgment has been completed by using the Techstream.
Check "All Readiness" after simulating malfunction symp
SEE MORE:
Power Supply Drive Circuit (C1257)
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) detects a drop in accumulator pressure according to the signals from the accumulator pressure sensor, then operates and stops the motor relay as well as the pump motor. The skid control ECU (brake booster with master cyli
ECM Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area ECM Communication Stop Mode Any of the following conditions are met:
Communication stop for "ECM (Engine)" is indicated on the "Communication Bus Check" screen of the Techstream.
Click here
Communication stop history for "ECM (Engin
