Honda 2004 Odyssey, Service Manual

Page: 1651 / 2459

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Without Navigation System
21-120 21-120
Climate Control
Power Transistor Test Climate Control Unit Removal and
Installation
POWER TRANSISTOR
A
B
B
A
1. Disconnect the 5P connector from the power
transistor.
2. Measure the resistance between the No. 1 and
No. 4 terminals of the power transistor. It should be
approximately 1.4
1.5 k .
• If the resistance is within the specifications, go to
step 3.
• If the resistance is not within the specifications,
replace the power transistor.
3. Carefully release the lock tab on the No. 3 terminal
(ORN/BLK) (A) in the 5P connector, then remove the
terminal and insulate it from body ground.
4. Connect a 1.2 3.4 W bulb (B) between the No. 3
and the No. 4 cavity on the 5P connector.
5. Reconnect the 5P connector to the power transistor.
6. Turn the ignition switch ON (II), and check that the
blower motor runs.
• If the blower motor does not run, replace the
power transistor.
• If the blower motor runs, replace the climate
control unit.
1. Remove the center panel with the climate control
unit (see page 20-70).
2. Remove the self-tapping screws and the climate
control unit (A) from the center panel (B).
3. Install the control unit in the reverse order of
removal. After installation, operate the control unit
controls to see whether it works properly.
4. Run the self-diagnosis function to confirm that
there are no problems in the system (see page 21-
67).
03/07/29 10:14:05 61S0X050_210_0121