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 EcuInspection
INSPECTION
PROCEDURE
1. INSPECT GENERATOR CLUTCH PULLEY
(a) Hold the generator rotor using SST, and turn the clutch pulley clockwise
to check that the outer ring locks.
SST: 09820-63021
Text in Illustration
*1
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
(a) Apply positive (+) battery voltage to connector terminal 2 (B).
NOTICE:
Do not apply positive (+) battery voltage to any terminals other than
terminal 2 ...
Initialization has not been Performed (B2450)
DESCRIPTION
The headlight leveling ECU assembly stores this DTC if initialization has not
been performed after the ECU was replaced.
DTC No.
DTC Detecting Condition
Trouble Area
B2450
Initializat ...