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FUEL TRANSPORT PUMP
EC-1799
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Specification data are reference values, and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic Procedure BBS002GO
1. CHECK OVERALL FUNCTION
1. Turn ignition switch OFF.
2. Confirm that the engine is cooled down and there are no fire hazards near the vehicle.
3. Disconnect sub fuel level sensor unit harness connector.
4. Remove sub fuel level sensor unit.
5. Reconnect sub fuel level sensor unit harness connector.
6. Soak fuel level switch in fuel and check operating sound of fuel
transport pump.
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION
DATA
(DC Voltage)
14 W/PU Fuel level switch
[Ignition switch ON]
● Some fuel is in the fuel tank
Approximately 0V
[Ignition switch ON]
● No fuel is in the fuel tank
BATTERY VOLTAGE
(11 - 14V)
39 B/OR Fuel transport pump relay
[Engine is running]
● Some fuel is in the fuel tank
Approximately 0V
[Engine is running]
● No fuel is in the fuel tank
BATTERY VOLTAGE
(11 - 14V)
PBIB1944E
Operating sound should exist.
PBIB2015E
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