Dtc P1630/64 Communication Error From Skid Control Ecu To Ecm

Cruise Control System. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Cruise Control. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

INSPECTION PROCEDURE

DTC P1630/64 Communication Error from Skid Control ECU to ECM

DTC U0122/82 Communication Stop from VSC to ECM


DESCRIPTION

The skid control ECU sends signals such as cruise control cancel demand signals and brake operation demand from ECM response signals to the ECM when the cruise control system is in operation.

DTC No.
DTC Detection Condition
Trouble Area
P1630/64
While cruise control is either preparing for operation or operating, if communication data from skid control ECU is logically inconsistent for a certain amount of time, ECM records this logical error code
  1. Communication circuit
  2. Skid control ECU
  3. ECM
U0122/82
While cruise control is either preparing for operation or operating, if communication data from skid control ECU is invalid for a certain amount of time, ECM records communication cut off code
  1. Communication circuit
  2. Skid control ECU
  3. ECM

INSPECTION PROCEDURE

HINT:
This circuit uses CAN communication. Therefore, if there are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.


1.CHECK CAN COMMUNICATION SYSTEM
    Refer to HOW TO PROCEED WITH TROUBLESHOOTING (RAV4_ACA30 RM000001RSO01MX.html).