DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Clearance Warning ECU 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 (CLEARANCE WARNING ECU ASSEMBLY CAN BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal. |
|
(b) Disconnect the clearance warning ECU assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
C30-17 (R1) - C30-18 (R2) |
Cable disconnected from negative (-) battery terminal |
54 to 69 Ω |
*a |
Front view of wire harness connector (to Clearance Warning ECU Assembly) |
NG | ![]() |
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (CLEARANCE WARNING ECU 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 |
---|---|---|
C30-1 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
*a |
Front view of wire harness connector (to Clearance Warning ECU Assembly) |
OK | ![]() |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the LH side and RH side.
The following procedure listed is for the LH side.
PROCEDURE
1. REMOVE FRONT WHEEL
2. DRAIN BRAKE FLUID
NOTICE:
Immediately wash off any brake fluid that comes into contact with any pa ...
Lost Communication with Front Camera Module (U023A)
DESCRIPTION
These DTCs are stored when the CAN communication system is malfunctioning.
DTC No.
DTC Detecting Condition
Trouble Area
U023A
Lost Communication With Image Processing Module"A"
The main body ECU ...
Transmitter ID not Registered (C2171/71)
DESCRIPTION
The IDs of each tire pressure warning valve and transmitter are registered to
the tire pressure warning ECU and receiver.
When the ECU detects that a transmitter ID code is not registered in the ECU,
this DTC is stored.
DTC No.
Detection Item
DTC D ...