Diagnostic Starting Point - Engine Cooling; Scan Tool Output Controls (3.6L) - Engine Cooling - Suzuki XL7 2007 Service Manual

1F-7 Engine Cooling System:

Diagnostic Starting Point - Engine Cooling

Begin the system diagnosis with "Diagnostic System Check - Vehicle Diagnostic Information: ". The Diagnostic System
Check - Vehicle will provide the following information:
• The identification of the control modules which command the system
• The ability of the control modules to communicate through the serial data circuit
• The identification of any stored DTCs and the codes status
The use of the Diagnostic System Check - Vehicle will identify the correct procedure for diagnosing the system and
where the procedure is located.

Scan Tool Output Controls (3.6L) - Engine Cooling

Scan Tool Output
Control
Fan Relay 1
Fan Relays 2 and 3
Fan Relays 1, 2 and 3
Diagnostic Information and Procedures
Additional Menu
Selection(s)
Activates the cooling fan relay 1. The normal commanded state of
the fan relay is NONE. The relay command status can also be
monitored on the scan tool data parameter FC Relay 1 Command.
Special Functions/
The PCM allows cooling fan relay control when the following
Output Control/Cooling
conditions are met:
Fan
• The ignition is ON or the engine is running
• A/C compressor operation is not requested.
• The engine coolant temperature is less than 106°C (224°F).
Activates the cooling fan relay 2 and relay 3. The normal
commanded state of the fan relays is NONE. The relay command
status can also be monitored on the scan tool data parameter FC
Special Functions/
Relay 2 and 3 Command. The PCM allows cooling fan relay control
Output Control/Cooling
when the following conditions are met:
Fan
• The ignition is ON or the engine is running
• A/C compressor operation is not requested.
• The engine coolant temperature is less than 106°C (224°F).
Activates the cooling fan relay 1, relay 2 and relay 3. The normal
commanded state of the fan relays is NONE. The relay command
status can also be monitored on the scan tool data parameters FC
Relay 1 Command and FC Relay 2 and 3 Command. The PCM
Special Functions/
allows cooling fan relay control when the following conditions are
Output Control/Cooling
met:
Fan
• The ignition is ON or the engine is running
• A/C compressor operation is not requested.
• The engine coolant temperature is less than 106°C (224°F).
Description