COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
RemovalDiagnosis System
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 ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR
Text in Illustration
*1
Component without harness connected
(Engine Coolant Temperature Sensor)
*2
Temperature °C (°F)
*3
...
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 ...