DTC P1617 Distance Control ECU Malfunction
DESCRIPTION
In the dynamic laser cruise control system, the ECM and the distance control ECU communicate with one another to control the system based on some designation information. If the designation information of the ECM and distance control ECU is different or the distance control ECU is malfunctioning, this DTC is recorded
DTC No |
DTC Detection Condition |
Trouble Area |
P1617 |
While the dynamic laser cruise control is either preparing for operation or operating, if a designation signal from the ECM and a designation return signal from the distance control ECU do not match or the distance control ECU is malfunctioning for more than a specific amount of time, the ECM records this trouble code | Distance control ECU |
INSPECTION PROCEDURE
NOTICE: When the distance control ECU is replaced with a new one, initialization must be performed
1 CONFIRM DESIGNATION INFORMA
OK: The skid control buzzer sounds. (Initialization is performed.)
NOTICE:
2 CHECK DTC
Result
HINT: If DTC P1617 is still output after replacing the distance control ECU, replace the ECM.
END
Terminals of ECU
1. CHECK POWER SLIDE DOOR ECU LH (WITH
POWER SLIDE DOOR)
Disconnect the P25 and P26 ECU connectors, and
check the voltage and resistance of each terminal of
the wire harness side connectors.
If the result is not as specified, there may be a
malfunction on the wire harness side.
...
Approach warning
When your vehicle is too close to a vehicle ahead, and sufficient automatic
deceleration via the cruise control is not possible, the display
will flash and the buzzer will sound to alert the driver. An example of
this would be if another driver cuts in front of you while you are following
a vehi ...
Removal
NOTICE:
Do not adjust the brake booster push rod.
Do not change the combination of the diameter
converting unit and brake.
1. DRAIN BRAKE FLUID
NOTICE:
Wash the brake fluid off immediately if it attaches to
any painted surfaces.
2. SEPARATE BATTERY NEGATIVE TERMINAL
3. REMOVE AIR CLE ...