Honda 2004 Odyssey Service Manual page 1622

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.
CLIMATE CONTROL UNIT CONNECTOR B (26P)
Wire side of female terminals
YEL/GRN
YEL/GRN
EVAPORATOR TEMPERATURE SENSOR
2P CONNECTOR
Wire side of female terminals
Is there continuity?
YES 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.
NO Repair open in the wire between the climate
control unit and the evaporator temperature
sensor.
DTC indicator H: A Short in the Evaporator
Temperature Sensor Circuit
1. Disconnect the evaporator temperature sensor 2P
connector.
2. Test the evaporator temperature sensor (see page
21-40).
Is the resistance within the specif ications shown
on the graph?
YES
• Without Navigation System: Go to step 3.
• With Navigation System: Go to step 5.
NO 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.
CLIMATE CONTROL UNIT CONNECTOR B (20P)
BRN
Wire side of female terminals
Is there continuity?
YES Repair short to body ground in the wire
between the climate control unit and the
evaporator temperature sensor.
NO Substitute a known-good climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
(cont'd)
21-91 21-91