Mazda MX-6 1998, Руководство по ремонту

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TROUBLESHOOTING
STEP INSPECTION
ACTION
6
Inspect blower unit’s air intake door.
• Is door free on obstructions, cracks, and
damage?
• Is door securely and properly installed?
Are above items okay?
Yes Replace heater control unit, then go to next step.
No Remove obstruction, or install door in proper position. If
door is cracked or damaged, replace it, then go to next
step.
7 Does air intake mode change smoothly? Yes Troubleshooting completed. Explain repairs to customer.
No Reconfirm malfunction symptoms, then repeat from step 1
if malfunction reoccurs.
9
Airflow mode does not change when operating airflow mode switch.
[TROUBLESHOOTING HINTS]
Malfunction in heater control unit’s airflow mode link or airflow mode crank circuit
• Step
1
Malfunction in airflow mode actuator circuit
• Airflow mode actuator malfunction
Malfunction in heater control unit’s each signal circuit
• Malfunction in wiring harness between heater control unit and airflow mode actuator
Malfunction in heater unit’s each door circuit
• Heater control unit malfunction
• Heater unit’s doors malfunction
STEP
INSPECTION ACTION
1
Remove airflow mode actuator.
Inspect heater unit’s airflow mode links and
airflow mode cranks.
• Is there grease on links and clamp?
• Are links and clamp securely and properly
installed?
Are above items okay?
Yes Go to next step.
No
Apply grease or properly and securely install links, then go
to step 6.
2
Turn ignition switch to ON.
Set fan switch at fourth position.
Is each airflow mode (VENT, BI-LEVEL, HEAT,
HEAT/DEF, DEFROSTER) accessed
smoothly when airflow mode main link is
operated by hand?
Yes Go to next step.
No Go to step 5.
3 Inspect airflow mode actuator.
c r 0 7 -4 0 AIRFLOW MODE ACTUATOR
INSPECTION
Is it okay?
Yes Go to next step.
No
Replace airflow mode actuator, then go to step 6.
0 7 -0 1 -1 5