SECTION 18 — TROUBLESHOOTING AND ELECTRICAL
SYSTEM: PEDAL-START GAS VEHICLE
18
Troubleshooting and Electrical System: Pedal-Start Gas Vehicle
DANGER
• See General Warnings on page 1-1.
WARNING
• See General Warnings on page 1-1.
GENERAL INFORMATION
WARNING
• To prevent damage to the ECU, never mix the black and gray connectors that attach to it. The black
connector is tethered to the ECU mounting plate to help avoid installing it in the gray port.
This section contains the information required to correctly troubleshoot the EFI gas vehicle. In addition to
troubleshooting, this section contains general information on the electrical system and the circuits of the electrical
system.
ACCESSORIES
For powered accessories that do not need to be controlled by the key switch, use the red/white and black/yellow wires
with female, quick-disconnect terminals located behind the instrument panel.
LOW OIL WARNING LIGHT
NOTE:
When the key switch is placed in the ON position, the Low Oil Warning Light will illuminate for approximately 3
seconds as a bulb check function.
If the Low Oil Warning Light comes ON due to low oil level, and oil is added to correct the issue, the Low Oil
Warning Light will still remain ON. Cycle the key switch OFF and ON to reset the Low Oil Warning Light.
The gasoline vehicle is equipped with a low oil warning light (4), located at the top of the instrument panel. If the
warning light comes on, oil should be checked and added to the engine as necessary before continuing to use the
vehicle.
See following CAUTION.
The vehicle should never be driven when the low oil warning light remains on. If the
warning light goes on and off, the vehicle may be driven, but oil should be added at the first opportunity. The light will
flash repeatedly to indicate a possible problem with the electronic fuel injection (EFI) system. If the oil level is correct
and the warning light stays on, have a trained technician check the vehicle.
CAUTION
• Failure to add oil immediately when the low oil warning light stays on may result in permanent
engine damage.
GROUND LOCATIONS
Electrical grounds are located at the following areas:
•
Below the Battery:
The battery, starter/generator, voltage regulator and main wire harness are all grounded to the
chassis on the frame rail below the battery.
•
In Front of Engine:
The engine is grounded to the chassis cross-member with an un-insulated, braided wire.
2017 Carryall 500 and 700 Maintenance and Service Manual
Page 18-1
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