Subaru 2002 IMPREZA Service Manual page 926
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Also See for 2002 IMPREZA:
- Service manual (4627 pages) ,
- Owner's manual (418 pages) ,
- Service manual (581 pages)
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DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
J: DTC 33 VEHICLE SPEED SIGNAL
• DIAGNOSIS:
• The vehicle speed signal is abnormal.
• The harness connector between ECM and vehicle speed sensor is open or shorted.
• TROUBLE SYMPTOM:
• Erroneous idling
• Engine stalls.
• Poor driving performance
CAUTION:
After repair or replacement of faulty parts, conduct CLEAR MEMORY and INSPECTION MODES. <Ref.
to EN(w/oOBD)-30, OPERATION, Clear Memory Mode.> and <Ref. to EN(w/oOBD)-28, OPERATION,
Inspection Mode.>
• WIRING DIAGRAM:
IGNITION SWITCH
B72
1
4
TCM
B56
COMBINATION
i10
METER
2
i2
Step
1
CHECK SPEEDOMETER OPERATION IN
COMBINATION METER.
SBF-4
SBF-1
No.18
VEHICLE
SPEED
SENSOR
B17
AT
MT
B22
E3
B37
B135
ECM
EN(w/oOBD)-92
BATTERY
LHD : 9
RHD : 7
Check
Does the speedometer operate
normally?
B17
1 2 3
B72
1 2
3 4
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
B56
1 2 3 4
5 6
7
8
10 11 12
13
14 15
16 17 18
19 20 21
22 23 24
LHD :
i2
1 2
3 4
5
6 7
8 9 10 11
12 13 14 15 16 17 18 19 20 21 22 23 24
B135
1
2
3
4
5 6 7
8
9
10
11 12 13 14 15
16 17 18 19
20 21
22 23
24
25
26
27 28
RHD :
i2
1 2 3 4
5 6
7
10 11 12 13 14 15
16
17
18
19 20
22
23
24
25
26 27 28 29
30
31
Yes
Go to step 2.
Check the speed-
ometer and vehi-
cle speed sensor.
9
8
9
21
32
EN1460
No
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