DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The certification ECU (smart key ECU assembly) and ECM control the vehicle engine immobiliser system functions. Engine immobiliser system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).
In some cases, a malfunction may be occurring in the engine immobiliser system even though the security indicator light is not illuminated.
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
If the voltage is below 11 V, recharge or replace the battery.
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Audio and Visual System
DTC Code
Detection Item
See page
B1532
LVDS Signal Malfunction (from Extension Module)
B1551
HD Radio ...
Engine Hood Courtesy Switch Circuit
DESCRIPTION
The security courtesy switch is installed together with the hood lock. This switch
turns off when the engine hood is opened and turns on when the engine hood is closed.
WIRING DIAGRAM
PROCEDURE
1.
INSPECT HOOD LOCK AS ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FOR COOLANT LEAK
HINT:
The sliding surface inside the engine water pump assembly is lubricated
by engine coolant. As some engine coolant is discharged during normal operation,
engine coolant residu ...