DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The certification ECU (smart key ECU assembly) control the vehicle smart key system functions. Smart key 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 smart key system. 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 EcuDoor Control Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT DOOR CONTROL SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Conn ...
Seat heaters
1. For driver’s seat
2. For front passenger’s seat
3. On
The indicator light comes on.
4. Adjusts the seat temperature
The further you turn the dial upward, the warmer the seat becomes.
- The seat heaters can be used when
►Vehicles wit ...
Short in Driver Side Knee Airbag Squib Circuit (B1860/64-B1863/64)
DESCRIPTION
The driver side knee airbag squib circuit consists of the center airbag sensor
assembly and driver side knee airbag assembly.
The center airbag sensor assembly uses this circuit to deploy the airbag when
deployment conditions are met.
These ...