DIAGNOSIS SYSTEM
1. DESCRIPTION
The main body ECU (driver side junction block assembly) and certification ECU (smart key ECU assembly) control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3).
When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
2. CHECK DLC3
(a) Check the DLC3 (See page ).
3. INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FLUID LEVEL
(a) Check the fluid level.
Text in Illustration
*1
MAX Line
*2
MIN Line
HINT:
If brake ...
If a warning message is displayed
The multi-information display shows warnings of system malfunctions or incorrectly
performed operations. When a message is shown, perform corrections as indicated
in the message.
1. Master warning light
The master warning light comes on or flashes when ...
Lost Communication with ECM (U0100-U0142,U0155)
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
U0100
No communication with ECM
CAN communication system
ECM
U0131
No commu ...