DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Millimeter Wave Radar Sensor Communication Stop Mode |
Any of the following conditions are met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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DTC check procedure: Turn the cruise control main switch on and then drive the vehicle at a speed of 40 km/h (25 mph) or more for approximately 10 seconds or more.
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HINT:
PROCEDURE
1. |
CHECK FOR OPEN IN CAN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the millimeter wave radar sensor assembly connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (MILLIMETER WAVE RADAR SENSOR ASSEMBLY) |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(b) Reconnect the cable to the negative (-) battery terminal.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
A2-8 (IGB) - Body ground |
Ignition switch ON |
11 to 14 V |
OK | ![]() |
REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Toyota CH-R Service Manual > Lighting System: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Lighting system data can be read from the Data Link Connector 3 (DLC3) of
the vehicle. When the system seems to be malfunctioning, use the Techstream to check
for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
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INSPECT BATTERY ...
Toyota CH-R Service Manual > Pre-collision System: Brake System Malfunction (C1A50)
DESCRIPTION
When the pre-collision system is operating, the millimeter wave radar sensor
assembly sends brake control signals to the skid control ECU (brake actuator assembly).
When the millimeter wave radar sensor assembly receives a VSC system malfunction
signal from the skid control ECU (br ...