CLIMATE CONTROL UNIT 8P CONNECTOR
From page
22-24
Check for a short to power:
Check the same terminals for
voltage.
Wire side of female terminals
CLIMATE CONTROL UNIT 20P CONNECTOR
Is there any voltage?
Check for an open in the wire(s):
Check for continuity between fol-
lowing terminals of the climate
control unit 8P and 20P connec-
tors and the air mix control
motor 5P connector.
8P:
No. 2
No. 3
20P:
No. 9
No. 10
No. 15
5P:
No. 3
No. 2
No. 5
No. 1
No. 4
Is there continuity?
Check for loose wires or poor con-
nections at the climate control
unit 8P and 20P connectors and at
the air mix control motor 5P con-
nector. If the connections are
good, substitute a known-good
climate control unit, and recheck.
If the symptom/indication goes
away, replace the original climate
control unit.
Repair short to power in the wire
between the climate control unit
and the air mix control motor.
(This damages the climate con-
trol unit.)
Wire side of female terminals
AIR MIX CONTROL MOTOR
5P CONNECTOR
Wire side of female terminals
Repair any open in the wire(s)
between the climate control unit
and air mix control motor.
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