1996 HONDA CIVIC Workshop Manual

Page 465 of 2189

HONDA CIVIC 1996 6.G Workshop Manual ldle Gontrol System
ldle Air Control (lAG) Valve (99 - 00 Dl6Y8 engine with M/T, Bt6A2 enginel
[Fl50g l ]h" scan tool indicates Diagnostic Trouble Code (DTC) P1508: A problem in the ldle Air Controt

Page 466 of 2189

HONDA CIVIC 1996 6.G Workshop Manual t
I
{From page 11-196)
Repair opon or short in lhe wire
between EcM lBzl) and lAc valve.ls there battery voltage?
Check the IAC valve fundion:Momentarily connect ECM con-
nector terminals 823 and 82 w

Page 467 of 2189

HONDA CIVIC 1996 6.G Workshop Manual ldle Control System
ldle Air Control (lAC) Valve (96 - 98 A/T and Dl6Y7 enginel
The (Rotary) IAC Valve changes the amount of air bypassing the throttle body in response to a current signal from theEC

Page 468 of 2189

HONDA CIVIC 1996 6.G Workshop Manual t
lFrom page 11-198)
Chock for an opon in tho wilo(lGP lins):1. Turn the ignition switch OFF.
2. Disconnect the IAC valve 3P
connector,3. Turn the ignition switch ON (ll),
4. At the wire hamess, meas

Page 469 of 2189

HONDA CIVIC 1996 6.G Workshop Manual ldle Gontrol System
The (Rotary) IAC Valve changes the amount of air bypassing the throttle body in response to a current signal from the
ECM/PCM in order to maintain the proper idle speed.BIMETALHOLD

Page 470 of 2189

HONDA CIVIC 1996 6.G Workshop Manual I
I
L
IACV N(oRN)*IACV P{BLK/BLU
ECM/PCMCONNECTON B (25PI
IACV N(oRNt.
Wire side of female terminals
IAC VALVE 3P CONNECTOR
IACV NIACV P
IACV P
IBLK/BLUI
IGP
Terminal side of male
(From page 11 200)

Page 471 of 2189

HONDA CIVIC 1996 6.G Workshop Manual ldle Control System
Starter Switch Signal (96 - 98 Models,99 - 00 D16Y5 engine with M/Tl
Thjs signals the ECM/PCM when the engine is cranking.
NOTE:. A/T: Transmission in E or E position. M/T: in ne

Page 472 of 2189

HONDA CIVIC 1996 6.G Workshop Manual \
Starter Switch Signal (99 - 00 Models except Dl6Y5 engine with M/T)
NOTE:. M/f: Clutch pedal must be depressed.. A,/T: Transmission in E or E position
ECM,/PCM CONNECTORS
I
This signals the ECM/PCM