Lexus NX: Lost Communication with ECM / PCM "A" (U0100-U0142,U0155,U0163,U0293)
DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
|---|---|---|---|---|---|
| U0100 | Lost Communication with ECM / PCM "A" | No communication with ECM |
| - | - |
| U0131 | Lost Communication with Power Steering Control Module | No communication with power steering ECU assembly No communication with ECM |
| - | - |
| U0142 | Lost Communication with Body Control Module "B" | No communication with main body ECU |
| - | - |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | No communication with combination meter |
| - | - |
| U0163 | Lost Communication with Navigation Control Module | No communication with radio receiver assembly |
| - | - |
| U0293 | Lost Communication with HV ECU | No communication with hybrid vehicle control ECU |
| - | - |
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTC.
Click here .gif)
(b) Check for DTC.
Click here
| Result | Proceed to |
|---|---|
| DTC U0100, U0131, U0142, U0155, U0163 and U0293 are not output | A |
| DTC U0100, U0131, U0142, U0155, U0163 and/or U0293 are output | B |
| A | .gif) | USE SIMULATION METHOD TO CHECK |
| B | | GO TO CAN COMMUNICATION SYSTEM |
READ NEXT:
Blower Motor Circuit
DESCRIPTION The blower with fan motor sub-assembly is operated by signals from the air conditioning amplifier assembly. Blower motor speed signals are transmitted in accordance with changes in the dut
Heater Water Pump Circuit
DESCRIPTION The heater accessory assembly sends engine coolant to the heater core assembly while the engine is stopped to prevent heater effectiveness from becoming low. Directed by the air conditioni
PTC Heater Circuit
DESCRIPTION The air conditioning amplifier assembly sends operation signals to the PTC heater relays when quick heater assembly operation conditions are met. Based on the signals from the air conditio
SEE MORE:
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT REAR WIPER MOTOR ASSEMBLY (a) Check the automatic stop (park) position. (1) Operate the rear wiper motor assembly, and then stop the operation. Check the wiper arm automatic stop (park) position. OK: Rear wiper arm stops at the position shown in the ill
Vehicle Control History
VEHICLE CONTROL HISTORY NOTICE: When checking the Vehicle Control History, make sure to record the output codes. Then, clear the Vehicle Control History (RoB) and check it again. CHECK VEHICLE CONTROL HISTORY (FRONT RADAR SENSOR SYSTEM) (a) Connect the Techstream to the DLC3. (b) Turn the power swit
