Reading Wiring Diagrams - System circuit diagram/connector diagram
Z-GI-4wiring diagramSystem circuit diagram/connector diagram
These show the circuits for each system, from the power supply to the ground. The power supply side is at the top of the page and the ground side is at the bottom. The diagrams describe circuits with the ignition switch OFF. Below is an explanation of the various points in the diagram.
NOTE
Indicates operating conditions for switches, etc.
Connector code
The prefix letter indicates the system in which the connector is used.
Connector code prefix legend
JB
SystemJoint box connections
X
SystemCommon connectors
A
SystemCharging system/starting system connectors
B
SystemEngine control system connectors
C
SystemGauge control system connectors
D
SystemWiper system connectors
E
SystemLighting system connectors
F
SystemSignal system connectors
G
SystemAir conditioning system connectors
Ground numbers
A harness ground is represented differently than a physical ground of a unit.
Types of ground
Harness grounded
SymbolGround symbol with circled number (e.g. (1))
Unit grounded (e.g. sensor)
SymbolGround symbol with circled letter G