DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor [08/2016 - ]: Procedure
- READ VALUE USING TECHSTREAM (CAN BUS CHECK)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: System Select / Can Bus Check.
Refer to DIAGNOSIS SYSTEM [08/2016 - ]
CAN Bus Check
Result
Result Proceed to All of the ECUs and sensors that are currently connected to the CAN communication system are displayed A None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed B
Result: 2
B
GO TO CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ]
Result: 1
A
See step 2
- CHECK FOR DTCs (PRE-COLLISION SYSTEM)
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [08/2016 - ]
Body Electrical > Pre-Collision 2 > Clear DTCs
- Perform the following procedure.
HINT:
If the following procedure is not performed, the previously output DTC cannot be detected.
- Turn the ignition switch to ON and wait 1 second or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [08/2016 - ]
Body Electrical > Pre-Collision 2 > Trouble Codes
Result
Result Proceed to DTC U1002 is not output A DTC U1002 is output B
Result: 2
B
GO TO DTC CHART (U1002): DTC U1002: Lost Communication with Gateway Module [08/2016 - ]
Result: 1
A
See step 3
- Clear the DTCs.
- CHECK FOR OPEN IN CAN BUS MAIN LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the A50 millimeter wave radar sensor assembly connector.
*a Front view of wire harness connector
(to Millimeter Wave Radar Sensor Assembly) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A50-5 (CA1P) - A50-6 (CA1N) Cable disconnected from negative (-) battery terminal 108 to 132 Ω - Connect the A50 millimeter wave radar sensor assembly connector.
Result
Proceed to OK NG
Result: 2
NG
REPAIR OR REPLACE CAN BUS MAIN LINE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)
Result: 1
OK
See step 4
- CHECK HARNESS AND CONNECTOR (POWER SOURCE VOLTAGE)
- Disconnect the A50 millimeter wave radar sensor assembly connector.
*a Front view of wire harness connector
(to Millimeter Wave Radar Sensor Assembly) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A50-1 (SGND) - Body ground Always Below 1 Ω - Connect the cable to the negative (-) battery terminal.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition A50-8 (IGB) - Body ground Ignition switch ON 11 to 14 V - Connect the A50 millimeter wave radar sensor assembly connector.
Result
Proceed to OK NG
Result: 1
OK
REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY: COMPONENTS [08/2016 - ]
Result: 2
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Disconnect the A50 millimeter wave radar sensor assembly connector.