Honda CR-V 1997 Service Manual page 1105

From page 22-14
I
Check for a short in the wire:
Check for continuity between the
No. 20 terminal of the heater con-
HEATER CONTROL PANEL 20P CONNECTOR
trol panel 20P connector and body
ground.
2
6 8 9 10
11 12 13 14 15 16
17
18 19
20
LTGRN/BLK
()
1
YES
Repair short in the wire between
"-
Is there continuity?
the heater control panel and the
Wire side of female terminals
power transistor.
NO
Check for an open in the wire:
1. Turn the ignition switch ON
(II).
2. Measure the voltage between
the No. B terminal of the
HEATER CONTROL PANEL 8P CONNECTOR
heater control panel BP con-
nector and body ground.
Wire side of female terminals
Repair open in the wire between
"-
NO
Is there battery voltage?
the heater control panel and the
blower motor.
YES
Check the power transistor:
1. Turn the ignition switch OFF.
2. Reconnect the heater control
panel 8P and 20P connectors.
3.
Test the power transistor (see
page 22-44J.
Is the power transistor OK?
"-
NO
J
Replace the power transistor.
YES
Check for loose wires or poor con-
nections at the heater control
panel 8P and 20P connectors and
at the power transistor 3P connec-
tor. 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
panel.
22-15