DESCRIPTION
This DTC is stored when a malfunction is detected in the vehicle stability control system. Check the vehicle stability control system when DTC P1578 is stored.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
P1578 |
Brake System |
While the vehicle speed is 36 km/h (22 mph) or more and the dynamic radar cruise control system is operating, a malfunction in the vehicle stability control system is detected for 0.2 seconds or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
w/o Smart Key System: Click here
w/ Smart Key System: Click here
Click here
PROCEDURE
1. |
CHECK FOR DTCs (VEHICLE STABILITY CONTROL SYSTEM) |
(a) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTCs are not output |
A |
Vehicle stability control system DTCs are output |
B |
B | ![]() |
GO TO VEHICLE STABILITY CONTROL SYSTEM |
|
2. |
CHECK FOR DTCs (RADAR CRUISE1) |
(a) Clear the DTCs.
Click here
(b) Perform the following to make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the malfunction cannot be detected.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC P1578 is not output |
A |
DTC P1578 is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
|
3. |
REPLACE ECM |
(a) Replace the ECM.
Click here
|
4. |
CHECK FOR DTCs (RADAR CRUISE1) |
(a) Clear the DTCs.
Click here
(b) Perform the following to make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the malfunction cannot be detected.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC P1578 is not output |
A |
DTC P1578 is output |
B |
A | ![]() |
END |
B | ![]() |
REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) |
Removal
REMOVAL
PROCEDURE
1. REMOVE MILLIMETER WAVE RADAR WIRE
(a) for Type A:
(1) Disconnect the 2 connectors.
(2) Using a clip remover, disengage the 4 clamps to remove the millimeter
wave radar wire.
(b) for Type B:
(1) Disc ...
Front Axle Hub Bolt
Installation
INSTALLATION
PROCEDURE
1. INSTALL FRONT AXLE HUB BOLT
(a) Install a new hub bolt through the axle hub.
(b) Install the washer plate, as shown in the illustration, through the hub bolt,
and install the hub bolt by tightening the hub nut.
2. INSTALL FRONT DISC
3. INSTALL FRON ...
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
1. CHECK FOR INTERMITTENT PROBLEMS
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harnesses
between the sensors and ECUs can be detected using the ECU Data List function of
the Techstream.
(a) Turn the ignition switch off.
(b) Con ...