A/C SWITCH OFF (AXXESS)

Engine Coolant Temp. °F (°C)

Cooling Fan Speed ⁽¹⁾

Relay No. (Off or On)

Less Than 201 (94)

Off

1 & 2 (Off)

203-210 (95-99)

Low

1 (On), 2 (Off)

Greater Than 212 (100)

High

1 & 2 (On)

⁽¹⁾	The radiator (cooling) fan operates on high speed if the engine temperature sensor is no good.

A/C SWITCH & BLOWER SWITCH ON (AXXESS)

Engine Coolant Temp. °F (°C)

Cooling Fan Speed ⁽¹⁾

Relay No. (Off or On)

Evap. Outlet Temp.: 37-46°F (3-8°C)

Less Than 201 (94)

⁽²⁾ Low

1 (On), 2(Off)

Between 203-210 (95-99)

Low

1 (On), 2 (Off)

Greater Than 212 (100)

High

1 & 2 (On)

Evap. Outlet Temp.: Above 46°F (8°C)

Less Than 201 (94)

⁽²⁾ High

1 & 2 (On)

Between 203-210 (95-99)

⁽³⁾ High

1 & 2 (On)

Greater Than 212 (100)

High

1 & 2 (On)

⁽¹⁾	The radiator (cooling) fan operates on high speed if the engine temperature sensor is no good.

⁽²⁾	The radiator (cooling) fan should be off when vehicle speed is greater than 50 MPH.

⁽³⁾	The radiator (cooling) fan should be on low speed when vehicle speed is greater than 50 MPH.

Fig 1: Identifying Diagnostic Chart Symbols

Courtesy of NISSAN MOTOR CO., U.S.A.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Radiator (Cooling) Fan Control Relay Operation

Use the Manual With the Right Hardware

When to See a Mechanic

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