CONTROL SYSTEM
CLIMATE CONTROL UNIT INSPECTION
Semi-logic Type
1. Remove the glove compartment.
2. Disconnect the air mix and airflow mode wires from each wire clamp and link.
3. Slide out the climate control unit toward you with the connector still connected.
4. Turn the ignition switch to ON position.
5. Measure the voltage at each climate control unit terminal and refer to the terminal voltage list.
6. Disconnect the climate control unit connector before inspecting for continuity at terminal B.
• If not as specified, inspect the parts listed under ’’Action.”
• If the inspection area is okay, replace the body of climate control unit.
Terminal voltage list (Reference)
n
r
G
F
E
D
C
B
A
CLIMATE CONTROL UNIT CONNECTOR
(VIEW FROM HARNESS SIDE)
Terminal
Signal
Connected to
Test condition
Voltage (V)/
Continuity
Action
A
Power supply
HEATER
40
A
fuse
Under any condition
B+
• Inspect related
harness
• Inspect HEATER
40
A fuse
B
GND
GND
Under any condition : inspect for
continuity to ground
Yes
-
C
Panel light
control
Panel light
control SW
Inspect terminal C of panel light
control switch
-
• Inspect related
harness
• Inspect panel
light control SW
D
TNS
TNS relay
Headlight switch at first or second
position
B+
• Inspect related
harness
• Inspect TNS
relay
Other
0
E
IG2
A/C 15 A fuse
Ignition switch at ON position
B+
• Inspect related
harness
• Inspect A/C 15 A
fuse
Ignition switch at LOCK position
Below 1.0
F
RECIRCULAT
E
Air intake
actuator
Airflow mode
at except
DEFROSTER
Air intake mode at
FRESH
B+
• Inspect related
harness
• Inspect air intake
actuator
Air intake mode at
RECIRCULATE
Below 1.0
Airflow mode at DEFROSTER
B+
G
FRESH
Air intake
actuator
Airflow mode
at except
DEFROSTER
Air intake mode at
FRESH
B+
• Inspect related
harness
• Inspect air intake
actuator
Air intake mode at
RECIRCULATE
Below 1.0
Airflow mode at DEFROSTER
B+
U -14
Summary of Contents for 626 Station Wagon
Page 25: ...CONTROL SYSTEM WIRING DIAGRAM With Immobilizer System OUTLINE F1 4 ...
Page 183: ...CONTROL SYSTEM COMPONENT LOCATION F2 7 ...
Page 204: ...MANUAL TRANSAXLE FEATURES OUTLINE J 2 OUTLINE OF CONSTRUCTION J 2 SPECIFICATIONS J 2 D J 1 ...
Page 266: ...SHIFT MECHANISM 6 Apply grease to the cam as shown K2 59 ...
Page 418: ...TROUBLESHOOTING KEYLESS ENTRY SYSTEM ON BOARD DIAGNOSTIC FUNCTION S 37 ...
Page 454: ...WARNING AND INDICATOR SYSTEM O p e ra tin g O rd e r T 32 ...