Subaru 2002 IMPREZA Service Manual page 526

Hide thumbs Also See for 2002 IMPREZA:
Table of Contents

Advertisement

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
B: DTC P0032 — FRONT OXYGEN (A/F) SENSOR HEATER CIRCUIT HIGH IN-
PUT —
• DTC DETECTING CONDITION:
• Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN-49, OPERATION,
Clear Memory Mode.> and Inspection Mode <Ref. to EN-42, Inspection Mode.> .
• WIRING DIAGRAM:
MAIN RELAY
6
4
5
3
2
1
B47
Step
1
CHECK OUTPUT SIGNAL FROM ECM.
1)Turn the ignition switch to ON.
2)Measure the voltage between ECM connec-
tor and chassis ground.
Connector & terminal
(B134) No. 23 (+) — Chassis ground ( − − − − ):
LHD
LHD
2
B61
F44
FRONT OXYGEN
(A/F) SENSOR
B18
A:
B134
ECM
C:
B136
B22
E3
BATTERY
SBF-5
Check
Is the voltage more than 8 V?
EN-94
B47
1
2
3
4
5
6
B18
1
2
3
4 5 6
F44
1 2 3 4
5 6 7 8
B22
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
A:
B134
1 2
3 4
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
24 25
26 27 28 29
30 31 32 33
C:
B136
1
2
3
4
8
9
10
11 12 13 14 15
16 17 18
21
22
23
24 25
26 27
Yes
Go to step 3.
Go to step 2.
5 6
7 8
34 35
5
6 7
19 20
28 29
30
EN1400
No

Advertisement

Table of Contents
loading

This manual is also suitable for:

2001 impreza

Table of Contents