DYNAMIC RADAR CRUISE CONTROL SYSTEM, Diagnostic DTC:P1578
| DTC Code | DTC Name |
|---|---|
| P1578 | Brake System |
DESCRIPTION
This DTC is stored when a malfunction is detected in the electronically controlled brake system or electric parking brake system. Check the electronically controlled brake 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 electronically controlled brake system is detected for 0.2 seconds or more. |
|
CAUTION / NOTICE / HINT
First check the CAN communication system by following How to Proceed with Troubleshooting. After checking that there are no malfunctions in the CAN communication system, proceed with troubleshooting
for LHD
for RHD
PROCEDURE
CHECK FOR DTCs (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)
Check for DTCs.
Chassis > ABS/VSC/TRC > Trouble Codes
Result
Result
Proceed to
DTC is not output
A
DTC is output
B
CHECK FOR DTCs (RADAR CRUISE 1)
Clear the DTCs.
Powertrain > Radar Cruise1 > Clear DTCs
Perform the following to make sure that the DTC detection conditions are met.
Tip:If the detection conditions are not met, the malfunction cannot be detected.
Drive the vehicle at a speed for which dynamic radar cruise control operation is possible.
Turn the cruise control system on using the cruise control main switch (ON/OFF).
Drive the vehicle at 36 km/h (22 mph) or more for 0.2 seconds or more.
Check for DTCs.
Powertrain > Radar Cruise1 > Trouble Codes
Result
Result
Proceed to
DTC P1578 is not output
A
DTC P1578 is output
B