Club Car Carryall 550 2015 Maintenance And Service Manual page 302

18
Test Procedures
TEST PROCEDURE 4 – EFI System (ECU and Sensors)
See General Warnings on page 1-1.
WARNING
• This procedure involves testing voltage, resistance and continuity. If necessary, see Testing Basics
on page 18-14.
18-PIN CONNECTOR (GRAY AND BLACK): A. ECU SIDE OF CONNECTOR B. WIRE ENTRY SIDE OF CONNECTOR
PIN CONNECTOR
I.D. COLOR
1 Gray Fuel Injector Control
Engine Temperature
6 Gray
Sensor Input
9 Gray Ignition Coil Input
Fuel Injector Positive
10 Gray (+) Voltage from
ECU
13 Gray MAP Sensor Input
Engine Temperature
15 Gray
Sensor Ground
MAP Sensor
16 Gray Reference Voltage
(+5)
TABLE CONTINUED ON NEXT PAGE
Page 18-22 2015 Carryall 550 Maintenance and Service Manual
1 9
10 18
A
FUNCTION TEST TYPE & PROBE BETWEEN LOCATIONS
Resistance: ECU Gray Pin 1 (Black/White) and ECU
Gray Pin 10 (Red/White)
Resistance: ECU Gray Pin 6 (Orange/Blue) and ECU
Gray Pin 15 (Black/Blue)
Resistance: ECU Gray Pin 9 (White) and Ground
Voltage: ECU Gray Pin 10 (Red/White) and Ground
Voltage: ECU Gray Pin 13 (Green/Yellow) and Ground
Continuity: ECU Gray Pin 15 (Black/Blue) and Ground
Voltage: ECU Gray Pin 16 (Red/Yellow) and ECU Gray
Pin 17 (Black/Yellow)
TROUBLESHOOTING AND ELECTRICAL SYSTEM:
PEDAL-START GAS VEHICLE
9 1
18 10
B
TEST RESULT
11.5 kOhms @
70 °F (21 °C)
Resistance
decreases as
temperature rises.
10.1 kOhms
Battery Voltage
3.9 volts @ sea
level & engine
OFF / 3.0 volts
engine running.
Voltage decreases
as pressure
decreases.
Meter should beep
CONDITION
Approx.
Key OFF or ON
12 ohms
Approx.
Key OFF
Approx.
Key OFF
Plug connected to
ECU and Key ON
Approx.
Key ON and
engine running
Key OFF
Approx.
Key ON
5 volts