DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Millimeter Wave Radar Sensor Communication Stop Mode |
Either Condition is met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
NOTICE:
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DTC check procedure: Turn the ignition switch to ON and wait for 1 minute or more. Then operate the suspected malfunctioning system and drive the vehicle at 60 km/h (37 mph) or more for 5 minutes or more.
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HINT:
PROCEDURE
1. |
CHECK FOR OPEN IN CAN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY CAN 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:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
M8-3 (CA2H) - M8-2 (CA2L) |
Cable disconnected from negative (-) battery terminal |
54 to 69 Ω |
*a |
Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly) |
NG | ![]() |
REPAIR OR REPLACE CAN BRANCH LINE 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) Connect 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 |
---|---|---|
M8-8 (IGB) - Body ground |
Ignition switch ON |
11 to 14 V |
*a |
Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly) |
OK | ![]() |
REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
System Diagram
SYSTEM DIAGRAM
HINT:
Each tire pressure warning valve and transmitter sends its transmitter ID, temperature
and tire pressure information to the tire pressure warning ECU and receiver.
Transmitting ECU (Transmitter)
Receiving ECU
Signal
Communicat ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT OIL CLEARANCE
(a) Using a micrometer and caliper gauge, measure the oil seal clearance.
Text in Illustration
*1
Pulley Shaft
*2
Front Vane Pump Housing
...
Initialization
INITIALIZATION
NOTICE:
Initialization can only be performed for vehicles with a tire pressure
warning reset switch.
If initialization is performed, the existing tire positions will be
cleared, but will be automatically identified when the vehicle is driven
at 37 km/h (23 mp ...