Problem Symptoms Table
ComponentsSystem Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
ECM
Navigation Receiver Assembly*1
Radio and Display Receiver Assembly*2
Reverse sig ...
VC Output Circuit
DESCRIPTION
The ECM constantly generates 5 V of power from battery voltage supplied to the
+B (BATT) terminal to operate the microprocessor. The ECM also provides this power
to the sensors through the VC output circuit.
When the VC circuit is short-cir ...
Diagnosis 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 ...