SYSTEM DIAGRAM
The configuration of the electronic control system in the AC60E automatic transmission is as shown in the following chart.

System Description
Hydraulic TestLost Communication with ECM / PCM "A" (U0100-U0142,U0155)
DESCRIPTION
These DTCs are stored when the clearance warning ECU assembly cannot receive
and recognize several signals via the CAN communication system.
DTC No.
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM / P ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET
(a) This is a method to specify trouble areas by using a manifold gauge set.
Read the manifold gauge pressure when the following conditions are established.
Test conditions:
Engine has been warmed u ...
Communication Error from VSC to ECM (P1630)
DESCRIPTION
The skid control ECU (brake actuator assembly) 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 ...