Running The Self-Diagnosis Fundion; Self-Diagnosis Function - Honda CR-V 1997 Service Manual

Self-diagnosis Function
The heater control panel has a self-diagnosis function.
Running the Self-diagnosis Fundion
'97 model:
Turn the ignition switch ON
(II),
then set the mode control dial to the Vent position, and the recirculation control switch to
Recirculate (recirculation indicator light comes on). Press and hold the recirculation control switch t o Fresh (recirculation indi-
cator light goes off). Continue to hold the switch; the recirculation indicator light will come on for two seconds, then it will
blink the Diagnostic Trouble Code (DTC) to indicate a faulty component. If no DTC's are found, the indicator light will not
blink after the initial two second light.
'98 - 00 model.:
Set the mode control dial to the Vent position, and turn the ignition switch ON (II) . Within six seconds after turning the igni-
tion switch on, press the recirculation control switch the required number of times depending on the recirculation indicator
light status:
• If the indicator light is ON, press the recirculation control switch five times.
• If the indicator light is OFF, press the recirculation control switch six times.
The recirculation indicator light will come on for two seconds, then blink the Diagnostic Trouble Code (OTC) to indicate a
faulty component. If no DTC 's are found , the indicator light will not blink after the initial two second light.
OTe
Indication Pattern (See
OTe
3):
Recirculation
indicator
light on
Recirculation
Indicator
light off
Diagnostic
trouble
codo
(OTe)
1
2
3
-
'97
model:
Press and hold the recirculation
control switch
'98 - 00
models:
Within six seconds after the
ignition switch Is turned ON UU.
Pr.ss the recirculation control
switch the required number of
times
depending on the recircu-
lation indicator light status
Recirculation
Indicator light
Component with problem
One blink Air mix control motor
Two blinks Blower motor
Three blinks Evaporator temperature sensor
n nn
- -
_ . ..1
U U
l . . . . . . . .
Q,3MC
0.3_
MOO£ CONTROl DIAl
Possible cau ••
RECIRCULA nON
INDICATOR LIGHT
See page
Open or short circuit, obstructed door.
22-12
faulty motor
Open or short circuit, faulty motor
22-14,16
Open or short circuit faulty sensor 22-20
In case of multiple problems, the recirculation indicator light indicate only one OTe that is the least number of blinks.
Resetting the Self .. diagnosis Function
Turning the ignition switch OFF will cancel the self-diagnosis function. After service work, run the self-diagnosis function
once again to check that there is no other problem ,
22-11