DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The transponder key ECU assembly controls the vehicle's immobiliser system functions. Immobiliser system data and Diagnostic Trouble Code (DTC) can be read through the vehicle's Data Link Connector 3 (DLC3).
In some cases, a malfunction may be occurring in the 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.
Problem Symptoms Table
Terminals Of EcuInstallation
INSTALLATION
PROCEDURE
1. INSTALL FRONT DOOR FRONT WINDOW FRAME MOULDING
(a) Engage the front door front window frame moulding to the door frame.
(b) Using an air riveter or hand riveter with a nose ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Navigation System / Trouble
Codes.
(e) Check for DTCs (See page ).
...
Short in Driver Side Squib Circuit (B1800/51-B1803/51)
DESCRIPTION
The driver side squib circuit consists of the center airbag sensor assembly,
spiral cable and steering pad.
The center airbag sensor assembly uses this circuit to deploy the airbag when
deployment conditions are met.
These DTCs are stored wh ...