DESCRIPTION
The skid control ECU (brake actuator assembly) sends signals such as cruise control cancel signals and brake demand response signals to the ECM when the dynamic radar cruise control system is operating.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
P1630 |
Communication Error from VSC to ECM |
While the vehicle speed is 36 km/h (22 mph) or more and the dynamic radar cruise control system is operating, communication data from the skid control ECU (brake actuator assembly) is logically inconsistent for approximately 0.5 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 CAN COMMUNICATION SYSTEM |
(a) Using the Techstream, check if the CAN communication system is functioning normally.
Click here
Result |
Proceed to |
---|---|
CAN communication system DTCs are not output |
OK |
CAN communication system DTCs are output |
NG |
NG | ![]() |
GO TO CAN COMMUNICATION 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 P1630 is not output |
A |
DTC P1630 is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
|
3. |
REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) |
(a) Replace the skid control ECU (brake actuator assembly).
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 P1630 is not output |
A |
DTC P1630 is output |
B |
A | ![]() |
END |
B | ![]() |
REPLACE ECM |
Open in Turn Signal Circuit (B1507,B1508)
DESCRIPTION
This DTC is stored when the combination meter assembly detects an open in a turn
signal light circuit, a short in a turn signal light circuit, or a short in the
hazard warning light circuit.
DTC No.
DTC Detection Condition
Trouble Area
...
Poor Sound Quality in All Modes (Low Volume)
PROCEDURE
1.
CHECK AUDIO SETTINGS
(a) Set Treble, Mid and Bass to the initial values and check that sound is normal.
OK:
Malfunction disappears.
HINT:
Sound quality adjustment measures vary according to the type of amplifier.
OK
END
...
Rear Differential Lock Solenoid Circuit Low (P17C0)
DESCRIPTION
This DTC is output when a malfunction is detected due to a short to ground occurring
in the differential lock coil drive circuit of the rear differential.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17C0
...