DTC U1235-87: Lost Communication with Cruise Control Front Distance Range Sensor Front Side "A" Missing Message [10/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus LS 500. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FRONT SIDE RADAR SENSOR (A)

Pre-procedure1

Disconnect the A126 front side radar sensor (B) connector.
Procedure1

Measure the waveform according to the value (s) in the table below.

Standard

Tester Connection	Condition	Tool Setting	Specified Condition
A126-5 (CA2P) - A126-6 (CA2N)	Ignition switch ON	1 V/DIV., 100 μs./DIV.	Pulse generation

Result

Proceed to
OK
NG

Post-procedure1

None.

Result:

REPLACE FRONT SIDE RADAR SENSOR (B). Refer to REMOVAL [10/2023 - ]

Result:

REPLACE FRONT SIDE RADAR SENSOR (A). Refer to REMOVAL [10/2023 - ]