2002 HONDA CIVIC ground

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Page 202 of 1139

HONDA CIVIC 2002 7.G Workshop Manual Fan Controls
Symptom Troubleshooting Index
Before performing any troubleshooting procedures check:. Fuses. Grounds. Cleanliness and tightness of all connectors
\{
\,4
SYMPTOMPROCEDURE
Radiator fan doe

Page 204 of 1139

HONDA CIVIC 2002 7.G Workshop Manual Fan Gontrols
Radiator Fan Circuit Troubleshooting
1. Check the No. 4 (20A) fuse in the under-hood
fuse/relay box, and the No. 14 (10A) fuse in the
under-dash fuse/relay box.
ls the tuse (s) OK?
YES-Go

Page 205 of 1139

HONDA CIVIC 2002 7.G Workshop Manual 7.
Disconnect the radiator fan motor 2P connector.
Check for continuity between the No. 1 terminal of
the radiator fan relay 4P socket and the No. 2
terminal of the radiator fan motor 2P connector.
RA

Page 206 of 1139

HONDA CIVIC 2002 7.G Workshop Manual Fan Controls
Radiator Fan Switch Circuit
Troubleshooting (Openl
1. Disconnect the radiator fan switch 2P connector.
2. Turn the ignition switch ON (ll).
3. Measure voltage between the No.2 terminal of

Page 210 of 1139

HONDA CIVIC 2002 7.G Workshop Manual General Troubleshooting Information
Intermittent Failures
The term "intermittent failure" means a svstem mav
have had a failure. but it checks OK now. lf the
Malfunction Indicator Lamp (MlL) on the da

Page 219 of 1139

HONDA CIVIC 2002 7.G Workshop Manual Fuel and Emissions Systems
System Descriptions
Electronic Control System
The functions of the fuel and emlssion control systems are managed by the engine control module (ECM).
Fail-safe Function
When

Page 226 of 1139

HONDA CIVIC 2002 7.G Workshop Manual ECM Inputs and Outputs at Connector A (31P)
NOTE: Standard battery voltage is 12 V.
1AFS]TC2
]GP23IGPl^:^ I -:,6AFS+1
CKPIKS
10
SG2t112ACV15TPST6AFS_18
VSS
19IVAP2Avcc221vccl
22
HTC+
23LG225CMPA
26CM

Page 227 of 1139

HONDA CIVIC 2002 7.G Workshop Manual Fuel and Emissions Systems
System Descriptions {contd)
ECM Inputs and Outputs at Connector A (31P)
\. il
Wire side of female terminals
\.
1AFS]TC2
GP2
3IGPl4PG25PG.16AFS+1
CKP
IKS
10SG211sG1
12IACV
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