DESCRIPTION
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
P0571 |
Brake Switch "A" Circuit |
Condition 1:
Condition 2:
|
Condition 1:
Condition 2:
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
w/o Smart Key System: Click here
w/ Smart Key System: Click here
PROCEDURE
1. |
CHECK FOR DTCs (VEHICLE STABILITY CONTROL SYSTEM) |
(a) Check for DTCs.
Click here
HINT:
When DTC P0571 (detection condition 2) is stored by the dynamic radar cruise control system, DTC C1380 is stored by the vehicle stability control system. Therefore, if DTC P0571 (detection condition 2) is stored, inspect the vehicle stability control system first.
Result |
Proceed to |
---|---|
Vehicle stability control system DTCs are not output |
A |
Vehicle stability control system DTCs are output |
B |
B |
GO TO VEHICLE STABILITY CONTROL SYSTEM |
|
2. |
CHECK FOR DTC (RADAR CRUISE1) |
(a) Clear the DTCs.
Click here
(b) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC P0571 is not output |
A |
DTC P0571 is output |
B |
A |
USE SIMULATION METHOD TO CHECK |
|
3. |
CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - BATTERY AND BODY GROUND) |
(a) Disconnect the stop light switch assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S10-2 - Body ground |
Always |
11 to 14 V |
S10-4 - Body ground |
Ignition switch to ON |
11 to 14 V |
S10-4 - Body ground |
Ignition switch off |
Below 1 V |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
INSPECT STOP LIGHT SWITCH ASSEMBLY |
(a) Remove the stop light switch assembly.
Click here
(b) Inspect the stop light switch assembly.
Click here
NG |
REPLACE STOP LIGHT SWITCH ASSEMBLY |
|
5. |
CHECK HARNESS AND CONNECTOR (ECM - STOP LIGHT SWITCH ASSEMBLY) |
(a) Disconnect the E21 ECM connector.
(b) Disconnect the S10 stop light switch assembly connector.
(c) Disconnect the S1 skid control ECU (brake actuator assembly) connector.
(d) Disconnect the S7 shift lock control unit connector.
(e) Remove the STOP relay from the engine room relay block.
(f) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E21-11 (ST1-) - S10-3 |
Always |
Below 1 Ω |
E21-10 (STP) - S10-1 |
Always |
Below 1 Ω |
E21-11 (ST1-) or S10-3 - Body ground |
Always |
10 kΩ or higher |
E21-10 (STP) or S10-1 - Body ground |
Always |
10 kΩ or higher |
OK |
REPLACE ECM |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE
1. REMOVE FRONT DOOR GLASS RUN
2. REMOVE FRONT DOOR GLASS OUTER WEATHERSTRIP ASSEMBLY
(See page
)
3. REMOVE NO. 1 BLAC ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT ENGINE COOLANT
(See page )
2. INSPECT ENGINE OIL
(See page )
3. INSPECT BATTERY
(See page )
4. INSPECT SPARK PLUG
(See page )
5. INSPECT AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY
(a) Remove the air cleaner filter element sub-assembly.
(b) Visu ...
Invalid Data Received from Deceleration Sensor (C1442,C1443)
DESCRIPTION
The skid control ECU (master cylinder solenoid) receives signals from the yaw
rate and acceleration sensor (airbag sensor assembly) via the CAN communication
system.
The airbag sensor assembly has a built-in yaw rate and acceleration sensor.
DTC Code
DTC Dete ...