Вентилятор Системы Охлаждения Цепь Вентилятора Системы Охлаждения. Corolla Auris

DESCRIPTION

INSPECTION PROCEDURE

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (OPERATE ELECTRIC COOLING FAN)

INSPECT ECM (FANL AND FANH VOLTAGE)

INSPECT ENGINE ROOM RELAY BLOCK (FAN NO. 1 RELAY AND FAN NO. 3 RELAY VOLTAGE)

INSPECT FAN NO. 1 RELAY

INSPECT FAN NO. 2 RELAY

INSPECT FAN NO. 3 RELAY

CHECK HARNESS AND CONNECTOR (ENGINE ROOM RELAY BLOCK - BODY GROUND)

INSPECT RADIATOR FAN MOTOR

CHECK HARNESS AND CONNECTOR (RADIATOR FAN MOTOR - BODY GROUND)

CHECK HARNESS AND CONNECTOR (RADIATOR FAN MOTOR - ENGINE ROOM RELAY BLOCK)

INSPECT AIR CONDITIONER CONDENSER FAN MOTOR

CHECK HARNESS AND CONNECTOR (A/C CONDENSER FAN MOTOR - ENGINE ROOM RELAY BLOCK)

INSPECT ENGINE ROOM RELAY BLOCK (FAN NO. 1 RELAY - FAN NO. 2 RELAY)

CHECK FUSE (ECU-IG NO. 1 FUSE)

CHECK FUSE (ECU-IG NO. 1 FUSE VOLTAGE)

INSPECT FAN NO. 1 RELAY

INSPECT FAN NO. 2 RELAY

INSPECT FAN NO. 3 RELAY

CHECK HARNESS AND CONNECTOR (ENGINE ROOM RELAY BLOCK - ECM)

CHECK HARNESS AND CONNECTOR (ECU-IG NO. 1 FUSE - ENGINE ROOM RELAY BLOCK)

INSPECT IG1 RELAY

INSPECT INSTRUMENT PANEL JUNCTION BLOCK (IG1 RELAY VOLTAGE)

CHECK HARNESS AND CONNECTOR (IG1 RELAY - BODY GROUND)

CHECK HARNESS AND CONNECTOR (IG1 RELAY - IGNITION SWITCH)

CHECK HARNESS AND CONNECTOR (IG1 RELAY - MAIN BODY ECU)

DESCRIPTION

INSPECTION PROCEDURE

ПРИМЕЧАНИЕ:

After replacing the ECM, the new ECM needs registration (See page Нажмите здесь) and initialization (See page Нажмите здесь).

1. Connect the intelligent tester to the DLC3.
   

2. Turn the ignition switch on (IG).
   

3. Turn the tester on.
   

4. Enter the following menu items: Powertrain / Engine and ECT / Active Test / Control the Electric Cooling Fan.
   
   

   OK:

   
   

   Tester Operation	Specified Condition
   ON	Fan rotates
   OFF	Fan does not rotate

1. Disconnect the ECM connector.
   

2. Turn the ignition switch on (IG).
   

3. Measure the voltage according to the value(s) in the table below.
   

   Standard voltage:

   Tester Connection	Switch Condition	Specified Condition
   A50-21 (FANH) - Body ground	Ignition switch on (IG)	11 to 14 V
   A50-22 (FANL) - Body ground	Ignition switch on (IG)	11 to 14 V

4. Reconnect the ECM connector.
   

1. Remove the FAN No. 1 relay and FAN No. 3 relay from the engine room relay block.
   

2. Measure the voltage according to the value(s) in the table below.
   

   Standard voltage:

   Tester Connection	Condition	Specified Condition
   3 (FAN No. 1 relay) - Body ground	Always	11 to 14 V
   5 (FAN No. 3 relay) - Body ground	Always	11 to 14 V

3. Reinstall the FAN No. 1 relay and FAN No. 3 relay.
   

1. Remove the FAN No. 1 relay from the engine room relay block.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance:

   Tester Connection	Condition	Specified Condition
   3 - 5	Voltage is not applied between terminals 1 and 2	10 kΩ or higher
   	Voltage is applied between terminals 1 and 2	Below 1 Ω

3. Reinstall the FAN No. 1 relay.
   

1. Remove the FAN No. 2 relay from the engine room relay block.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance:

   Tester Connection	Condition	Specified Condition
   3 - 4	Voltage is not applied between terminals 1 and 2	Below 1 Ω
   	Voltage is applied between terminals 1 and 2	10 kΩ or higher
   3 - 5	Voltage is not applied between terminals 1 and 2	10 kΩ or higher
   	Voltage is applied between terminals 1 and 2	Below 1 Ω

3. Reinstall the FAN No. 2 relay.
   

1. Remove the FAN No. 3 relay from the engine room relay block.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance:

   Tester Connection	Condition	Specified Condition
   3 - 5	Voltage is not applied between terminals 1 and 2	10 kΩ or higher
   	Voltage is applied between terminals 1 and 2	Below 1 Ω

3. Reinstall the FAN No. 3 relay.
   

1. Remove the FAN No. 2 relay from the engine room relay block.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance:

   Tester Connection	Condition	Specified Condition
   5 (FAN No. 2 relay) - Body ground	Always	Below 1 Ω

3. Reinstall the FAN No. 2 relay.
   

1. Disconnect the radiator fan motor connector.
   

2. Check that the radiator fan motor turns smoothly when the battery is connected to the radiator fan motor connector.
   

3. Measure the current while the motor is turning.
   

   Standard current:

   11.2 to 14.5 A
   

4. Reconnect the radiator fan motor connector.
   

1. Disconnect the radiator fan motor connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance:

   Tester Connection	Condition	Specified Condition
   A58-1 - Body ground	Always	Below 1 Ω

3. Reconnect the radiator fan motor connector.
   

1. Disconnect the radiator fan motor connector.
   

2. Remove the FAN No. 1 relay and FAN No. 2 relay from the engine room relay block.
   

3. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance (Check for open):

   Tester Connection	Condition	Specified Condition
   A58-2 - 5 (FAN No. 1 relay)	Always	Below 1 Ω
   A58-2 - 4 (FAN No. 2 relay)	Always	Below 1 Ω

   Standard resistance (Check for short):

   Tester Connection	Condition	Specified Condition
   A58-2 or 5 (FAN No. 1 relay) - Body ground	Always	10 kΩ or higher
   A58-2 or 4 (FAN No. 2 relay) - Body ground	Always	10 kΩ or higher

4. Reconnect the radiator fan motor connector.
   

5. Reinstall the FAN No. 1 relay and FAN No. 2 relay.
   

1. Disconnect the air conditioner condenser fan motor connector.
   

2. Check that the air conditioner condenser fan motor turns smoothly when the battery is connected to the air conditioner condenser fan motor connector.
   

3. Measure the current while the motor is turning.
   

   Standard current:

   7.4 to 10.9 A
   

4. Reconnect the air conditioner condenser fan motor connector.
   

1. Disconnect the Air Conditioner (A/C) condenser fan motor connector.
   

2. Remove the FAN No. 2 relay and FAN No. 3 relay from the engine room relay block.
   

3. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance (Check for open):

   Tester Connection	Condition	Specified Condition
   A59-1 - 3 (FAN No. 2 relay)	Always	Below 1 Ω
   A59-2 - 3 (FAN No. 3 relay)	Always	Below 1 Ω

   Standard resistance (Check for short):

   Tester Connection	Condition	Specified Condition
   A59-1 or 3 (FAN No. 2 relay) - Body ground	Always	10 kΩ or higher
   A59-2 or 3 (FAN No. 3 relay) - Body ground	Always	10 kΩ or higher

4. Reconnect the air conditioner condenser fan motor connector.
   

5. Reinstall the FAN No. 2 relay and FAN No. 3 relay.
   

1. Remove the FAN No. 1 relay and FAN No. 2 relay from the engine room relay block.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance (Check for open):

   Tester Connection	Condition	Specified Condition
   1 (FAN No. 1 relay) - 1 (FAN No. 2 relay)	Always	Below 1 Ω
   2 (FAN No. 1 relay) - 2 (FAN No. 2 relay)	Always	Below 1 Ω

   Standard resistance (Check for short):

   Tester Connection	Condition	Specified Condition
   1 (FAN No. 1 relay) or 1 (FAN No. 2 relay) - Body ground	Always	10 kΩ or higher
   2 (FAN No. 1 relay) or 2 (FAN No. 2 relay) - Body ground	Always	10 kΩ or higher

3. Reinstall the FAN No. 1 relay and FAN No. 2 relay.
   

1. Remove the ECU-IG No. 1 fuse from the instrument panel junction block.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance:

   Tester Connection	Condition	Specified Condition
   ECU-IG No. 1 fuse	Always	Below 1 Ω

3. Reinstall the ECU-IG No. 1 fuse.
   

1. Remove the ECU-IG No. 1 fuse from the instrument panel junction block.
   

2. Turn the ignition switch on (IG).
   

3. Measure the voltage according to the value(s) in the table below.
   

   Standard voltage:

   Tester Connection	Switch Condition	Specified Condition
   1 (ECU-IG No. 1 fuse) - Body ground	Ignition switch on (IG)	11 to 14 V

4. Reinstall the ECU-IG No. 1 fuse.
   

1. Remove the FAN No. 1 relay from the engine room relay block.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance:

   Tester Connection	Condition	Specified Condition
   3 - 5	Voltage is not applied between terminals 1 and 2	10 kΩ or higher
   	Voltage is applied between terminals 1 and 2	Below 1 Ω

3. Reinstall the FAN No. 1 relay.
   

1. Remove the FAN No. 2 relay from the engine room relay block.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance:

   Tester Connection	Condition	Specified Condition
   3 - 4	Voltage is not applied between terminals 1 and 2	Below 1 Ω
   	Voltage is applied between terminals 1 and 2	10 kΩ or higher
   3 - 5	Voltage is not applied between terminals 1 and 2	10 kΩ or higher
   	Voltage is applied between terminals 1 and 2	Below 1 Ω

3. Reinstall the FAN No. 2 relay.
   

1. Remove the FAN No. 3 relay from the engine room relay block.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance:

   Tester Connection	Condition	Specified Condition
   3 - 5	Voltage is not applied between terminals 1 and 2	10 kΩ or higher
   	Voltage is applied between terminals 1 and 2	Below 1 Ω

3. Reinstall the FAN No. 3 relay.
   

1. Remove the FAN No. 1 relay, FAN No. 2 relay and FAN No. 3 relay from the engine room relay block.
   

2. Disconnect the ECM connector.
   

3. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance (Check for open):

   Tester Connection	Condition	Specified Condition
   2 (FAN No. 1 relay) - A50-21 (FANH)	Always	Below 1 Ω
   2 (FAN No. 2 relay) - A50-21 (FANH)	Always	Below 1 Ω
   2 (FAN No. 3 relay) - A50-22 (FANL)	Always	Below 1 Ω

   Standard resistance (Check for short):

   Tester Connection	Condition	Specified Condition
   2 (FAN No. 1 relay) or A50-21 (FANH) - Body ground	Always	10 kΩ or higher
   2 (FAN No. 2 relay) or A50-21 (FANH) - Body ground	Always	10 kΩ or higher
   2 (FAN No. 3 relay) or A50-22 (FANL) - Body ground	Always	10 kΩ or higher

4. Reinstall the FAN No. 1 relay, FAN No. 2 relay and FAN No. 3 relay.
   

5. Reconnect the ECM connector.
   

1. Remove the FAN No. 1 relay, FAN No. 2 relay and FAN No. 3 relay from the engine room relay block.
   

2. Remove the ECU-IG No. 1 fuse from the instrument panel junction block.
   

3. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance (Check for open):

   Tester Connection	Condition	Specified Condition
   1 (FAN No. 1 relay) - 2 (ECU-IG No. 1 fuse)	Always	Below 1 Ω
   1 (FAN No. 2 relay) - 2 (ECU-IG No. 1 fuse)	Always	Below 1 Ω
   1 (FAN No. 3 relay) - 2 (ECU-IG No. 1 fuse)	Always	Below 1 Ω

   Standard resistance (Check for short):

   Tester Connection	Condition	Specified Condition
   1 (FAN No. 1 relay) or 2 (ECU-IG No. 1 fuse) - Body ground	Always	10 kΩ or higher
   1 (FAN No. 2 relay) or 2 (ECU-IG No. 1 fuse) - Body ground	Always	10 kΩ or higher
   1 (FAN No. 3 relay) or 2 (ECU-IG No. 1 fuse) - Body ground	Always	10 kΩ or higher

4. Reinstall the FAN No. 1 relay, FAN No. 2 relay and FAN No. 3 relay.
   

5. Reinstall the ECU-IG No. 1 fuse.
   

1. Remove the IG1 relay from the instrument panel junction block.
   

2. Measure the IG1 relay resistance.
   

   Standard resistance:

   Tester Connection	Condition	Specified Condition
   3 - 5	Voltage is not applied between terminals 1 and 2	10 kΩ or higher
   	Voltage is applied between terminals 1 and 2	Below 1 Ω

3. Reinstall the IG1 relay.
   

1. Remove the IG1 relay from the instrument panel junction block.
   

2. Measure the voltage according to the value(s) in the table below.
   

   Standard voltage:

   Tester Connection	Condition	Specified Condition
   5 (IG1 relay) - Body ground	Always	11 to 14 V

3. Reinstall the IG1 relay.
   

1. Remove the IG1 relay from the instrument panel junction block.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance:

   Tester Connection	Condition	Specified Condition
   1 (IG1 relay) - Body ground	Always	Below 1 Ω

3. Reinstall the IG1 relay.
   
   

   Result:

   
   

   Result	Proceed to
   OK (w/o Entry and Start System)	A
   OK (w/ Entry and Start System)	B
   NG	C

1. Remove the IG1 relay from the instrument panel junction block.
   

2. Disconnect the ignition switch connector.
   

3. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance (Check for open):

   Tester Connection	Condition	Specified Condition
   E4-4 (IG1) - 2 (IG1 relay)	Always	Below 1 Ω

   Standard resistance (Check for short):

   Tester Connection	Condition	Specified Condition
   E4-4 (IG1) or 2 (IG1 relay) - Body ground	Always	10 kΩ or higher

4. Reinstall the IG1 relay.
   

5. Reconnect the ignition switch connector.
   

1. Remove the IG1 relay from the instrument panel junction block.
   

2. Disconnect the main body ECU connector.
   

3. Measure the resistance according to the value(s) in the table below.
   

   Standard resistance (Check for open):

   Tester Connection	Condition	Specified Condition
   E51-6 (IG1D) - 2 (IG1 relay)	Always	Below 1 Ω

   Standard resistance (Check for short):

   Tester Connection	Condition	Specified Condition
   E51-6 (IG1D) or 2 (IG1 relay) - Body ground	Always	10 kΩ or higher

4. Reinstall the IG1 relay.
   

5. Reconnect the main body ECU connector.