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 EcuHeight Control Sensor
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY (for 2WD)
(a) Disconnect the connector.
(b) Remove the 3 nuts ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE GENERATOR PULLEY CAP
(a) Using a screwdriver, puncture the center of the generator pulley
cap and pry it off.
NOTICE:
Do not reuse the generator pulley cap.
...
Customizable features
1. Vehicles with TFT type multi-information display: Some function settings can
be changed by operating the multi-information display.
2. Settings that can be changed by your Toyota dealer
Definition of symbols: O = Available, -- = Not available
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