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 EcuEngine Control System Malfunction (C1201/51)
DESCRIPTION
If a malfunction in the engine control system is detected, the operations of
VSC and TRAC are prohibited by the fail-safe function. When the signals from the
engine are input normally, the fail-safe is cancelled and the DTC is not stored.
...
Engine Circuit Malfunction (C1280/82)
DESCRIPTION
If a malfunction in the ECM circuit occurs, the AWD control ECU will output this
DTC.
DTC No.
DTC Detection Condition
Trouble Area
C1280/82
When the following continues for ...
Intake Air Control Valve Actuator(for Tcv)
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE INTAKE MANIFOLD
(a) Remove the intake manifold (See page ).
2. REMOVE INTAKE AIR CONTROL VALVE ACTUATOR (for TCV)
(a) Remove the 2 bolts, intake air control valve actuator a ...