Cooling Fan Always On 2.2L (L61)
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Engine Cooling Schematics Connector End View Reference: Cooling System Connector End Views DEFINITION: The engine cooling fan motor runs continuously. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 | Turn ON the ignition, with the engine OFF. Is the engine cooling fan running all the time? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 | Remove the cooling fan relay. Did the cooling fan turn OFF? | Go to Step 5 | Go to Step 4 |
4 | Repair the short to B+ in the cooling fan motor supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 7 | -- |
5 | Inspect for poor connections at the cooling fan relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 7 | Go to Step 6 |
6 | Replace the cooling fan relay. Did you complete the repair? | Go to Step 7 | -- |
7 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
Cooling Fan Always On 2.0L (LSJ)
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Engine Cooling Schematics Connector End View Reference: Cooling System Connector End Views DEFINITION: One or both engine cooling fan motors run continuously in high or low speed. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 | Turn ON the ignition, with the engine OFF. Are one or both cooling fans ON? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 | Are both cooling fans running continuously? | Go to Step 4 | Go to Step 6 |
4 | Are both cooling fans running continuously in high speed? | Go to Step 5 | Go to Step 7 |
5 | Test the low reference circuit of the A/C refrigerant pressure sensor for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 18 | Go to Step 14 |
6 | Remove the cool fan 3 relay. Did the right cooling fan turn OFF? | Go to Step 10 | Go to Step 8 |
7 | Remove the cool fan 1 relay. Did the cooling fans turn OFF? | Go to Step 12 | Go to Step 9 |
8 | Remove the cool fan S/P relay. Did the right cooling fan turn OFF? | Go to Step 13 | Go to Step 11 |
9 | Repair the short to voltage in the left cooling fan motor supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 18 | -- |
10 | Repair the short to voltage in the left cooling fan low reference circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 18 | -- |
11 | Repair the short to voltage in the right cooling fan motor supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 18 | -- |
12 | Inspect for poor connections at the cool fan 1 relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 18 | Go to Step 15 |
13 | Inspect for poor connections at the cool fan S/P relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 18 | Go to Step 16 |
14 | Inspect for poor connections at the A/C refrigerant pressure sensor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 18 | Go to Step 17 |
15 | Replace the cool fan 1 relay. Did you complete the replacement? | Go to Step 18 | -- |
16 | Replace the cool fan S/P relay. Did you complete the replacement? | Go to Step 18 | -- |
17 | Replace the A/C refrigerant pressure sensor. Refer to Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement in Heating, Ventilation and Air Conditioning. Did you complete the replacement? | Go to Step 18 | -- |
18 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
Cooling Fan Always On 2.4L (LE5)
Test Description
The numbers below refer to the step numbers on the diagnostic table.
-
The 2.4L/LE5 motor contains a 0.23 ohms resistor which should also be checked for a short to ground on the low speed cooling fan supply voltage circuit.
-
The 2.4L/LE5 motor contains a 0.23 ohms resistor which should also be checked for a short to ground on the low speed cooling fan supply voltage circuit.
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Engine Cooling Schematics Connector End View Reference: Cooling System Connector End Views DEFINITION: The dual speed cooling fan motor runs continuously in high or low speed. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Turn ON the ignition, with the engine OFF. Is the cooling fan ON? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
3 | Is the cooling fan running continuously? | Go to Step 4 | Go to Step 6 |
4 | Is the cooling fan running continuously in high speed? | Go to Step 5 | Go to Step 7 |
5 | Test the low reference circuit of the A/C refrigerant pressure sensor for an open. Refer to Circuit Testing and Testing for Intermittent Conditions and Poor Connections . Did you find and correct the condition? | Go to Step 15 | Go to Step 12 |
6 | Remove the cool fan 2 relay. Did the high speed cooling fan turn OFF? | Go to Step 10 | Go to Step 8 |
7 | Remove the cool fan 1 relay. Did the low speed cooling fan turn OFF? | Go to Step 11 | Go to Step 8 |
Repair the short to ground on the low speed cooling fan motor supply voltage circuit prior to the resistor assembly. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 15 | -- | |
Repair the short to ground on the low speed cooling fan supply voltage circuit between the resistor assembly and the two speed cooling fan motor. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 15 | -- | |
10 | Repair the short to voltage in the high speed cooling fan supply voltage circuit. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 15 | -- |
11 | Inspect for poor connections at the cool fan 1 relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 13 |
12 | Inspect for poor connections at the A/C refrigerant pressure sensor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 14 |
13 | Replace the cool fan 1 relay. Did you complete the replacement? | Go to Step 15 | -- |
14 | Replace the A/C refrigerant pressure sensor. Refer to Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement . Did you complete the replacement? | Go to Step 15 | -- |
15 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
