Advertisement
DTC U1100 (No.1100): Lost communication with ECM
Wiring Diagram
[A]: BCM connector (viewed from harness side)
[B]: ECM connector (viewed from harness side)
[C]: Combination meter connector (viewed from harness
side)
DTC Detecting Condition and Trouble Area
DTC detecting condition
BCM can not receive CAN data from ECM for
longer than specified time continuously.
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch turned OFF.
2) Turn ON ignition switch and clear DTC by using scan tool.
3) Start engine and run it for 1 min. or more.
4) Check DTC.
[D]: TCM connector (equipped with A/T) (viewed
from harness side)
1. BCM
2. Junction block assembly
• CAN communication circuit
• BCM (included in junction block assembly)
• ECM
Body Electrical Control System:
3. ECM
4. TCM (equipped with A/T)
5. Combination meter
Trouble area
10B-27
S4RS0AA204026
I4RS0AA20014-
Advertisement
