DESCRIPTION
DTC C1A52 is stored when the ECM cannot recognize the millimeter wave radar sensor assembly.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1A52 |
Radar Cruise Control Presence Determination Malfunction (Engine / HV) |
Approximately 17 seconds after the ignition switch is turned to ON, the ECM cannot recognize the millimeter wave radar sensor assembly for approximately 1.3 seconds or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
Click here
w/o Smart Key System: Click here
w/ Smart Key System: Click here
PROCEDURE
1. |
CHECK FOR DTC (RADAR CRUISE 2) |
(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 C1A52 is not output |
A |
DTC C1A52 is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
|
2. |
REPLACE ECM |
(a) Replace the ECM.
Click here
|
3. |
CHECK FOR DTC (RADAR CRUISE 2) |
(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 C1A52 is not output |
A |
DTC C1A52 is output |
B |
A | ![]() |
END (ECM WAS DEFECTIVE) |
B | ![]() |
REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY |
USB Audio System Recognition/Play Error
DESCRIPTION
When a USB device or "iPod" is connected to the USB jack of the No. 1 stereo
jack adapter assembly, it must have playable files. The device must also communicate
with and be recognized by the radio and display receiver assembly. This diagnosis
procedure is for when a dev ...
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Transfer L4 Position Switch Circuit (C1268)
DESCRIPTION
A-TRAC is activated if wheel skid is detected while the transfer is in the L4
position.
DTC Code
DTC Detecting Condition
Trouble Areas
C1268
L4 detection switch signal input to skid control ECU (master cylinder
solenoid ...