Operation CHARM: Car repair manuals for everyone.
Home >> Lexus >> 2003 >> GS 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Condenser Fan >> Testing and Inspection
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Condenser Fan: Testing and Inspection

CONDENSER FAN

ON-VEHICLE INSPECTION

1. INSPECT CONDENSER FAN OPERATION
Inspect the fan operation, as shown in the chart below.




Test conditions:
- Ignition switch ON
- Blower speed control switch position "HI"
- Temperature control dial at "MAX. COOL"
- Install manifold gauge set"
- A/C switch ON
If operation is not as specified, proceed to the next inspection.




2. INSPECT CONDENSER FAN MOTOR OPERATION
a. Disconnect the fan connector.
b. Connect the positive (+) lead from the battery to terminal 2 and negative (-) lead to terminal 1 then check that motor operations smoothly.
If operation is not as specified, replace the fan motor.
If operation is as specified, check the pressure switch, cooling fan relays and engine coolant temp. switch.
pro multis · About Operation CHARM