Acura 2002 RSX Service Manual page 1104

Climate Gontrol
DTC Troubleshooting (cont'dl
4. Check for continuity between the No. 2 terminal of
the climate control unit 30P connector and the
N o . 2 t e r m i n a l o f t h e s u n l i g h t s e n s o r 2 P c o n n e c t o r .
CLIMATE CONTROL UNIT 3OP CONNECTOR
Wire side of female terminals
SUNLIGHT SENSOR 2P CONNECTOB
Wire side of female terminals
ls there continuity?
YES Go to step 5.
NO Repair open in the wire between the climate
c o n t r o l u n i t a n d t h e s u n l i g h t s e n s o r . l
5. Reconnect the sunlight sensor 2P connector.
6. Reconnect the climate control unit 30P connector.
7. Testthe sunlight sensor {see page 2'l-411.
ls the sunlight sensor OK?
YES Check for loose wires or poor connections at
the climate control unit 30P connector and at the
sunlight sensor 2P connector. lf the connections are
good, substitute a known-good climate control unit,
and recheck. lf the symptom/indication goes away,
r e p l a c e t h e o r i g i n a l c l i m a t e c o n t r o l u n i t . l
N O R e p l a c e t h e s u n l i g h t s e n s o r . l
21-20
DTC 6: A Short in the Sunlight Sensor Circuit
1. Disconnect the sunlight sensor 2P connector.
2. Disconnect the climate control unit 30P connector.
3. Check for continuity between the No. 6 terminal of
the climate control unit 30P connector and body
g rou nd.
CLIMATE CONTROL UNIT 3OP CONNECTOR
Wire side ol lemale terminals
ls there continuity?
YES Repair short to body ground in the wire
between the climate control unit and the sunlight
s e n s o r . l
NO Go to step 4.
Reconnect the sunlight sensor 2P connector.
Reconnect the climate control unit 30P connector.
T e s t t h e s u n l i g h t s e n s o r ( s e e p a g e 2 1 - 4 1 ) .
ls the sunlight sensor OK?
YES Substitute a known-good climate control unit,
and recheck. lf the symptom/indication goes away,
replace the original climate control unit.l
NO Replace the sunlight sensor.l
5 .
6 .