Under Hood
Amplifier AntennaDiagnosis System
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).
I ...
Operation Check
OPERATION CHECK
1. CHECK FUNCTION
(a) Check that the key reminder warning buzzer sounds.
(1) With the driver side door closed, insert the key into the ignition key cylinder
and then make sure that the key is in LOCK or ACC.
(2) Check that the buzzer soun ...
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge the battery before proceeding to the next
step.
2. CHECK DLC3
(a) The ECU uses ISO 15765-4 for communication. The terminal arrangement of the ...