Honda 2004 Odyssey, Service Manual

Page: 1622 / 2459

−
−
−
−
−
−
０２
＊０１
Ｓ０Ｘ４Ａ１０Ｋ７１１０００８７０８０ＦＡＡＴ００
YES
NO
YES
NO
YES
NO
DTC indicator H:
21-91 21-91
CLIMATE CONTROL UNIT CONNECTOR B (26P)
YEL/GRN
YEL/GRN
EVAPORATOR TEMPERATURE SENSOR
2P CONNECTOR
BRN
CLIMATE CONTROL UNIT CONNECTOR B (20P)
8. Check for continuity between the No. 1 terminal of
climate control unit connector B (26P) and the No. 1
terminal of the evaporator temperature sensor 2P
connector.
Check for loose wires or poor connections at
climate control unit connector B (26P) and at the
evaporator temperature sensor 2P connector. If the
connections are good, substitute a known-good
climate control unit, and recheck. If the symptom/
indication goes away, replace the original climate
control unit.
Repair open in the wire between the climate
control unit and the evaporator temperature
sensor.
1. Disconnect the evaporator temperature sensor 2P
connector.
2. Test the evaporator temperature sensor (see page
21-40).
• Without Navigation System: Go to step 3.
• With Navigation System: Go to step 5.
Replace the evaporator temperature
sensor.
3. Disconnect climate control unit connector B (20P).
4. Check for continuity between the No. 14 terminal of
climate control unit connector B (20P) and body
ground.
Repair short to body ground in the wire
between the climate control unit and the
evaporator temperature sensor.
Substitute a known-good climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
(cont’d)
A Short in the Evaporator
Temperature Sensor Circuit
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is the r esistance within the specif ications shown
on the gr aph?
Is ther e continuity?
03/07/29 10:12:55 61S0X050_210_0092