DESCRIPTION
The skid control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2 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 |
MIL |
---|---|---|---|---|
P163081 |
Communication Error from VSC to ECM Invalid Serial Data Received |
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 (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2 is logically inconsistent for approximately 0.5 second or more. |
|
Does not come on |
CAUTION / NOTICE / HINT
NOTICE:
Click here
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.
for Hydraulic Brake Booster: Click here
for Vacuum Brake Booster: Click here
Result |
Proceed to |
---|---|
DTCs are not output |
A |
DTCs are output (for Hydraulic Brake Booster) |
B |
DTCs are output (for Vacuum Brake Booster) |
C |
B | ![]() |
GO TO VEHICLE STABILITY CONTROL SYSTEM |
C | ![]() |
GO TO VEHICLE STABILITY CONTROL SYSTEM |
|
2. |
CHECK FOR DTCs (CRUISE CONTROL SYSTEM) |
(a) Clear the DTCs.
Click here
(b) Perform the following procedure.
HINT:
If the following procedure is not performed, the previously output DTC cannot be detected.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC P163081 is not output |
A |
DTC P163081 is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
B | ![]() |
REPLACE ECM |
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK 4 WHEEL DRIVE CONTROL ECU
Text in Illustration
*a
Component with harness connected
(4 Wheel Drive Control ECU)
-
-
(a) Measure the resistance and voltage according to the value(s) in the table
below.
...
Utility
UTILITY
NOTICE:
If the forward recognition camera has been replaced due to a malfunction in the
lane departure alert system, be sure to perform Recognition Camera/Target Position
Memory and Optical Axis Learning. Otherwise all systems that use the forward recognition
camera may be affected.
...
Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound signal from an external
device to the navigation receiver assembly via this circuit.
If there is an open or short in the circuit, sound cannot be heard from the speakers
even if there is no malfunction in the stereo component a ...