2003 HONDA CIVIC Throttle

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Page 370 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Throttle Cable Adjustment
1.Check cable free play at the throttle linkage. Cable
free pf av (A) should be 10 12 mm (3/8 1/2 in.).
lf the free play is not within spec (10 - 12 mm,
318-112ln.l,loosen th

Page 371 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Intake Air System
Throttle Cable Removal/lnstallation
1. Fully open the throttle valve, then remove the
throttle cable (A) from the throttle link (B).
Remove the cable housing (C)from the cable
bracke

Page 372 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Throttle Body Removal/lnstallation
NOTE: Do not adjust the throttle stop screw.. Afterreassembly,adjustthethrottlecable{seepagell-163) and the cruise control cable (see page 4-45).. The throttle posi

Page 373 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Intake Air System
Throttle Body Disassembly/Reassembly
EVAPORATIVE EMISSION {EVAP)CANISTER PURGE VALVE
A
V
2 N.m{0.2 kgt m, 1 lbf.ft)
3.5 N.m(0.35 kgf m.2.5lbf ft)
MAP SENSOR
THROTTLE BODY
L
TP SENSOR

Page 374 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Catalytic Converter System
DTC Troubleshooting
DTC P0420: Catalytic System Efficiency
Below Threshold
NOTE: lf some of the DTCS listed below are stored at
the same time as DTC P0420, troubleshoot thos

Page 375 of 1139

HONDA CIVIC 2003 7.G Workshop Manual PCV System
DTC Troubleshooting
DTC P1505: PCV Air Leakage
1. Reset the ECM (see page 11-4).
2. Start the engine. Hold the engine at 3,000 rpm with
no load (in neutral) until the radiator fan comes on

Page 801 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Heating and Air Conditioning
Radiator and Condenser Fans
Common
(contdl
Circuit Troubleshooting
9. Using a Backprobe Set, measure the voltage
between the No. 6 terminal of ECN4 connector B
{24P) and

Page 847 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Connectors and Harnesses
Engine Wire Harness
Camshaft position (CMP) sensorLllr sensorEC[,4 connector AECI/l connector BEngine coolant temperature (ECT)
sensorEngine oil pressure switchEVAP canister p
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