On-vehicle Inspection
ComponentsLost Communication with ECM / PCM (U0100)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
U0100
No communication from the ECM continues.
ECM main wire or connector
Power source circuit of ECM
ECM
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT STEERING PAD SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because in ...