Honda CR-V 1997 Service Manual page 300

PGM-FI System
Intake Air Temperature (lAT) Sensor (cont'd)
(From page 11 ·97)
('98 - 00 models)
-- ---- --- --- -
.
_ ._._ -_ ._ --- _.-
_._ -- ._ ._ ._0_ '_ ._ .- ._ ._ -_ ._ .
Check for an open in the wires
nAT. SG2Iines):
1_
Turn the ignition switch OFF .
2.
Connect ECM/PCM connector
terminals C18 and C25 with a
jumper wire.
3_
Turn the ignition switch ON
(11) .
4 _
Check the IAT with the scan
tool.
I
Is _4
C
F (-20Q CI or less (or L-limit
NO
Repair open in the wires between
in Honda mode of PGM Tester) or the ECM/PCM IC18. C251 end lhe
5 V indicated?
IATsensor.
I
YES
I
L
-
- -- -- - -- - - '- '- '- -- '- '-- --
- ----- ,- .---, - -- .-- _'-0- --'
Substitute a known-good ECMI
PCM and recheck. If normal IAT
is indicated. r~ac. the Ot'iginal
ECM/PCM_
11-98
---- -- --
- -- ----- ----- -- -----,
ECM/PCM CONNECTOR C (31PI
I ,
2 3
/
5 1/ 7
••
1/
V V V
/
k"
16 17 18 1. 2. 21 22
2'
V
25
26 27
" 2.
30
31
IAT
IRED/VElll
I
S02 IGRN/Bl
KI
JUMPER WIRE
Wire side of female term inals