DESCRIPTION
The engine control unit and transmission control unit are located inside the ECM. The engine control unit intercommunicates with the transmission control unit using CAN communication.
If there is a problem in this intercommunication, the ECM stores this DTC.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
---|---|---|---|---|---|---|
U010087 | Lost Communication with ECM/PCM "A" Missing Message | 1. Diagnosis Condition 2. Malfunction Status 3. Malfunction Time 4. Other
| ECM | Comes on | DTC stored | SAE Code: U0100 |
MONITOR STRATEGY
Related DTCs | U0100: Verify communication |
Required Sensors/Components (Main) | ECM |
Required Sensors/Components (Related) | - |
Frequency of Operation | Continuous |
Duration | 1.25 sec. |
MIL Operation | Immediately |
Sequence of Operation | None |
TYPICAL ENABLING CONDITIONS
The monitor will run whenever the following DTCs are not stored. | None |
Battery Voltage | 10.5 V or more |
Engine switch | On (IG) |
Starter | Off |
TYPICAL MALFUNCTION THRESHOLDS
Communication signal | Lost communication with ECM/PCM |
CONFIRMATION DRIVING PATTERN
HINT:
Click here
HINT:
[*1] : Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
Techstream Display | Description |
---|---|
NORMAL |
|
ABNORMAL |
|
INCOMPLETE |
|
N/A |
|
HINT:
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
PROCEDURE
1. | CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC U010087) |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Transmission / Trouble Codes.
Powertrain > Transmission > Trouble Codes(e) Read the DTCs using the Techstream.
Result | Proceed to |
---|---|
Only DTC U010087 is output | A |
DTC U010087 and other DTCs are output | B |
B | ![]() | GO TO DTC CHART |
|
2. | REPLACE ECM |
(a) Replace the ECM.
Click here
NEXT | ![]() | PERFORM A/T CODE REGISTRATION |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Combination Light Assembly (w/ Rear No. 2 Seat): Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. REMOVE REAR COMBINATION LIGHT CAP (for LED Type Turn Signal Light) (a) for TMMC Made: (1) Remove the rear combination light cap. HINT: Use ...
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Opening, closing the windows and moon roof: Power windows
Opening and closing procedures
The power windows can be opened and closed using the switches.
Operating the switch moves the windows as follows:
Closing
One-touch closing*
Opening
One-touch opening*
*: To stop the window partway, operate the
switch in the opposite direction.
Win ...