TROUBLESHOOTING
NO. 4 INSUFFICIE NT AIR (OR NO AIR) BLOWN FROM VENTS
4
Insufficient air (or no air) blown from vents.
DESCRIPTION
Problem with each vent and/or duct.
POSSIBLE
CAUSE
• Malfunction in airflow mode control system (Step 1)
• Malfunction in VENT mode system (Steps 2, 3, 5)
• Malfunction in blower system (Step 4)
• Malfunction in HEAT mode system (Step 6)
• Malfunction in DEFROSTER mode system (Steps 7-9)
Diagnostic procedure
STEP
INSPECTION
ACTION
1
INSPECT AIRFLOW MODE CONTROL
SYSTEM
• Does airflow mode change when airflow mode
selector switch is operated?
Yes
Go to next step.
No
Go to Step 1 of troubleshooting index NO. 6.
2
CHECK TO SEE WHETHER MALFUNCTION IS
IN VENT MODE OR ANOTHER MODE
• Does air blow out when in VENT mode?
Yes
Go to Step 6.
No
Go to next step.
3
INSPECT VENT
• Is vent clogged?
Yes
Remove obstruction, then go to Step 10.
No
Go to next step.
4
INSPECT BLOWER SYSTEM
• Inspect following systems and electrical parts.
— Blower relay
— Blower motor
— Resistor
— Fan switch
— Related wiring harnesses
• Are they okay?
Yes
Go to next step.
No
Repair or replace malfunctioning part, then go to
Step 10.
5
VERIFY THAT DUCT IN DASHBOARD IS
INSTALLED
• Is duct In dashboard properly installed?
Yes
Check duct for clogging, deformity, and air
leakage, then go to Step 10.
No
Install duct securely in proper position, then go to
Step 10.
6
CHECK TO SEE WHETHER MALFUNCTION IS
IN HEAT MODE OR DEFROSTER MODE
• Does air blow out when in HEAT mode?
Yes
Go to next step.
No
Check vent for clogging, then go to Step 10.
7
INSPECT DEFROSTER MODE
• Does air blow out when in DEFROSTER
mode?
Yes
Operation is okay. Recheck malfunction
symptoms.
No
Go to next step.
8
INSPECT VENT
• Is vent clogged?
Yes
Remove obstruction, then go to Step 10.
No
Go to next step.
9
VERIFY THAT DEFROSTER DUCT IS
INSTALLED
• Is defroster duct properly installed?
Yes
Check duct for clogging, deformity, and air
leakage, then go to next step.
No
Install duct securely in proper position, then go to
next step.
10
CONFIRM THAT MALFUNCTION SYMPTOMS
DO NOT RECUR AFTER REPAIR
• Does air blow out?
Yes
Troubleshooting completed. Explain repairs to
customer.
No
Recheck malfunction symptoms, then repeat from
Step 1 if malfunction recurs.
U -23
Содержание 626 Station Wagon
Страница 25: ...CONTROL SYSTEM WIRING DIAGRAM With Immobilizer System OUTLINE F1 4 ...
Страница 179: ...OUTLINE SYSTEM WIRING DIAGRAM S m ç g fT I C g 3 3 21 A m Hi p È a t ï S 3 M h d 0H ÜB 1 Hl J e F2 3 ...
Страница 183: ...CONTROL SYSTEM COMPONENT LOCATION F2 7 ...
Страница 204: ...MANUAL TRANSAXLE FEATURES OUTLINE J 2 OUTLINE OF CONSTRUCTION J 2 SPECIFICATIONS J 2 D J 1 ...
Страница 206: ...AUTOMATIC TRANSAXLE GF4A EL FEATURES OUTLINE K1 2 OUTLINE OF CONSTRUCTION K 1 2 SPECIFICATION K1 2 K1 1 ...
Страница 266: ...SHIFT MECHANISM 6 Apply grease to the cam as shown K2 59 ...
Страница 418: ...TROUBLESHOOTING KEYLESS ENTRY SYSTEM ON BOARD DIAGNOSTIC FUNCTION S 37 ...
Страница 454: ...WARNING AND INDICATOR SYSTEM O p e ra tin g O rd e r T 32 ...