COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
RemovalDiagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
When troubleshooting OBD II (On-Board Diagnostics) vehicles, an OBD
II scan tool (complying with SAE J1987) must be connected to the DLC3 (Data
Link Connector 3) of the vehicle. Various data in the vehicle ECM ( ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector
3 (DLC3) of the vehicle. When the rear view monitor system seems to be malfunctioning,
use the Techstream to check for malfunctions and to perfor ...
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 ...