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 / PCM "A" |
CAN communication system |
U0101 |
Lost Communication with TCM |
|
U0142 |
Lost Communication with Body Control Module "B" |
|
U0155 |
Lost Communication with Instrument Panel Cluster Control Module (Combination Meter) |
HINT:
When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harnesses of each ECU.
PROCEDURE
1. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
DTCs (CAN communication system DTC) are output |
A |
No DTCs are output |
B |
A | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
B | ![]() |
USE SIMULATION METHOD TO CHECK |
Precaution
PRECAUTION
IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine Swi ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Smart key system (for start function) data and the Diagnostic Trouble Codes
(DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When
the system seems to be malfunctioning, use the Techstream to check for malfunctions
and perform rep ...