(a)
Check the air-conditioning control module power supply
circuit and ground circuit.
(b)
Confirm that the air-conditioning control module power
supply circuit and ground circuit are normal.
Is air-conditioning clutch working properly?
Yes
System normal
No
Step 14
Replace the air-conditioning control module.
(a)
Replace the air-conditioning control module. Refer to
Air-conditioning Control Panel Replacement
.
Confirm the repair completed.
Next
Step 15
System normal.
8.2.7.7 Air-conditioning Blower Inoperative
Schematic:
Air-conditioning System Circuit Schematic
Diagnostic Steps:
Step 1
Check air-conditioning system failure codes DTC.
(a)
Connect scan tool, read air-conditioning system related to
DTC codes.
(b)
Clear DTC.
Is blower working properly?
Yes
System normal
No
Step 2
Check blower relay L.
(a)
Repair according to the fault symptom table.
Symptoms
Suspected Faulty
Components
Repair Procedure
Blower relay
terminal No. 30
has no battery
voltage
1. Fuse EF26 (40A)
Blown
2. Harness
Malfunction
1. Repair the
harness.
2. Replace the fuse
EF26.
Heating, Ventilation and A/C System
Automatic Air-conditioning
8-31
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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