A Problem In The Mode Control Motor Circuit - Honda 2002 Accord Manual

Heating
DTC Troubleshooting (cont'd)
6. Turn the ignition switch O F F ,
7. Check for continuity between following terminals
of the heater control panel 22P connector and the
air mix control motor 7P connector.
22P: 7P:
No. 12 No. 2
No. 13 No. 1
No. 16 No. 7
No. 17 No. 5
No. 19 No. 3
H E A T E R C O N T R O L P A N E L 2 2 P C O N N E C T O R
Wire side of female termimals
1 2
3
4 5
x ; 6 7
8
9
1 0
1 1
12
1 3
14 15 1 6 M 1 7
1 8
19
2 0 2 1 2 2
R E D / Y E L
A I R M I X C O N T R O L M O T O R 7 P C O N N E C T O R
Wire side of female terminals
Is there continuity?
Y E S —Check for loose wires or poor connections at
the heater control panel 22P connector and at the
air mix control motor 7P connector. If the
connections are good, substitute a known-good
heater control panel, and recheck. If the symptom/
indication goes away, replace the original heater
control p a n e l . •
N O - Repair any open in the wire(s) between the
heater control panel and the air mix control
motor. •
8. Remove the air mix control motor (see page 21-20).
9. Check the air mix control linkage and door for
smooth movement
Do the air mix control linkage and door move
smoothly?
Y E S —Replace the air mix control motor. •
N O - Repair the air mix control linkage or door. •
DTC 2: A problem in the mode control motor
circuit
1. Disconnect the mode control motor 7P connector.
2. Test the mode control motor (see page 21-21).
Is the mode control motor OK?
Y E S - G o to step 3.
N O - G o t o step 8.
3. Disconnect the heater control panel 22P connector.
4. Check for continuity between body ground and the
heater control panel 22P connector terminals No. 6,
7, 8, 14, 15, 17 and 18 individually.
H E A T E R C O N T R O L P A N E L 22P C O N N E C T O R
W i r e s i d e o f f e m a l e t e r m i n a l s
B L U / G R N
B L U / W H T B L U / B L K
L T G R N / B L K
G R N / Y E L
1
2 3 4 5 6 7 8 9
10
11 12 13
14
15 16
X
17 18 19
20
21 22
G R N / B L K
Y E L / G R N
(A)(0)
Is there continuity?
Y E S — Repair any short to body ground in the wire
(s) between the heater control panel and the mode
control motor. •
N O - G o t o step 5.
21-10