Subaru 2002 IMPREZA Service Manual page 633

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
RHD model
MT AT
B36 B38
i1 i3
MT AT
COMBINATION
METER
A:
C:
i2
B37
1
R59
FUEL SUB
LEVEL
SENSOR
Step
1 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODE (DTC) ON DISPLAY.
2 CHECK FUEL LEVEL SENSOR.
1)Remove the fuel pump assembly. <Ref. to
FU-62, Fuel Pump.>
2)While moving the fuel level sensor float up
and down, make sure that the resistance
between fuel level sensor terminals changes
smoothly.
Terminals
No. 3 — No. 5:
No.13
4 1
IGNITION
B72
SWITCH
1
: 1.6L AND 2.0L MODEL
2
: 2.5L MODEL
i10
i12
B99
R3
R15
R57
2
R58
FUEL
LEVEL
SENSOR
BATTERY
SBF-4 SBF-1
27 B136 ECM
B22
E3
Check
Is any other DTC displayed?
Does the resistance change
smoothly between approx. 0.5
Ω and approx. 52 Ω?
EN-201
ENGINE (DIAGNOSTICS)
B72
1 2
3 4
R15
1 2
3 4 5 6
R58
1 2 3
4 5 6
R59
1 2
A: i10
1 2 3 4 5 6 7 8 9 10
B22
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
C:
i1 i12
1 2 3 4 5 6
7 8 9 10 11 12
B99 i3
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18
B136
1 2 3 4
8 9 10 11 12 13 14 15 16 17 18
21 22 23 24 25 26 27
i2
1 2 3 4 5 6
10 11 12 13 14 15 16 17
22 23 24 25 26 27 28 29
Yes
Inspect the rele- Go to step 2.
vant DTC using
"List of Diagnostic
Trouble Code
(DTC)". <Ref. to
EN-83, List of
Diagnostic Trou-
ble Code (DTC).>
2.5 L: Go to step 3. Replace the fuel
1.6 L and 2.0 L: level sensor. <Ref.
Repair the poor to FU-65, Fuel
contact in ECM, Level Sensor.>
combination meter
and coupling con-
nectors.
13 14
19 20 21 22
5 6 7
19 20
28 29 30
7 8 9
18 19 20 21
30 31 32
EN1412
No