Dtc U0100/71 Lost Communication With Ecm/Pcm A
DESCRIPTION
INSPECTION PROCEDURE
CHECK FOR DTC
DTC U0100/71 Lost Communication with ECM/PCM "A" |
DTC U0114/71 Lost Communication with Four-Wheel Drive Clutch Control Module |
DTC U0122/71 Lost Communication with Vehicle Dynamics Control Module |
DTC U0124/71 Lost Communication with Lateral Acceleration Sensor Module |
DTC U0126/71 Lost Communication with Steering Angle Sensor Module |
DTC U0140/71 Lost Communication with Body Control Module |
DESCRIPTION
DTC Code
| DTC Detection Condition
| Trouble Area
|
U0100/71
| While driving at 30 km/h (19 mph), the ECM informs of a CAN communication stop for 3 seconds or more.
| CAN communication system
|
U0114/71
| The four wheel drive control ECU informs of a CAN communication stop for 3 seconds or more.
|
U0122/71
| The skid control ECU informs of a CAN communication stop for 3 seconds or more.
|
U0124/71
| The yaw rate and acceleration sensor informs of a CAN communication stop for 3 seconds or more.
|
U0126/71
| The steering angle sensor informs of a CAN communication stop for 3 seconds or more.
|
U0140/71
| The main body ECU informs of a CAN communication stop for 10 seconds or more.
|
When DTCs indicating a CAN communication system malfunction are output, repair CAN communication system first.
INSPECTION PROCEDURE
Clear the DTCs (LandCruiser RM000001G7P02NX.html).
Perform a road test.
Check for DTCs (LandCruiser RM000001G7P02NX.html).
ResultResult
| Proceed to
|
DTC is not output
| A
|
DTC is output (for LHD)
| B
|
DTC is output (for RHD)
| C
|
- HINT:
- If a CAN communication malfunction DTC and a related sensor malfunction DTC are output at the same time, the CAN communication malfunction must be repaired before troubleshooting the sensor malfunction DTC.