Honda 2004 Odyssey Service Manual page 1613

Climate Control
DTC Troubleshooting (cont'd)
5. Disconnect climate control unit connector B (26P).
6. Check for continuity between the No. 17 terminal of
climate control unit connector B (26P) and body
ground.
CLIMATE CONTROL UNIT CONNECTOR B (26P)
YEL/RED
Wire side of female terminals
Is there continuity?
YES Repair short to body ground in the wire
between the climate control unit and the in-car
temperature sensor.
NO Substitute a known-good climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
21-82 21-82
DTC indicator C: An Open in the Outside Air
Temperature Sensor Circuit
1. Remove the outside air temperature sensor (see
page 21-118).
2. Measure the resistance between the No. 1 and
No. 2 terminals of the outside air temperature
sensor.
Dip the sensor in ice water, and measure the
resistance. Then pour hot water on the sensor, and
check for a change in resistance.
OUTSIDE AIR TEMPERATURE SENSOR
12
11
10
9
8
7
RESISTANCE
k
6
5
4
3
2
1
14
10
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 6.
NO Replace the outside air temperature sensor.
3. Disconnect climate control unit connector B (20P).
32
50 68 86 104 °F
0 10 20 30 40 °C
TEMPERATURE