WIRING DIAGRAM
< Ref. to WIRING DIAGRAM , Keyless Access System. >
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 10
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK HARNESS. Disconnect the keyless access CM connector. Disconnect the receiver connector. Using the tester, measure the resistance between terminals of keyless access CM connector and receiver connector, and keyless access CM connector and chassis ground. Connector & terminal (B573) No. 19 - (R296) No. 2: (B573) No. 17 - (R296) No. 5: (B573) No. 5 - (R296) No. 4: (R296) No. 1 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 3 . | Repair or replace the open circuit of harness. |
| 3 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B573) No. 19 - Chassis ground: (B573) No. 17 - Chassis ground: (B573) No. 5 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 4 . | Repair or replace the short circuit of the harness. |
| 4 CHECK RECEIVER. Replace the receiver, and then connect it. Using the Subaru Select Monitor, clear the memory. Use the Subaru Select Monitor and read DTCs. | Is B1242 displayed? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Receiver has a malfunction. |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 11
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 3 . | Replace the fuse. When the replaced fuse is blown immediately, check the power supply circuit for short-circuited. |
| 3 CHECK HARNESS. Disconnect the keyless access CM connector. Using a tester, measure the voltage between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 2 (+) - Chassis ground (-) | Is the voltage 9.5 - 16 V? | Go to step 4 . | Check the power supply circuit. |
| 4 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 5 . | Repair or replace the open circuit of harness. |
| 5 CHECK HARNESS. Disconnect the keyless access CM connector. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 9 - Chassis ground | Is resistance 128 - 157 ohms? (20°C) | Go to step 6 . | Check IG relay 2. Go to step 7 . |
| 6 CHECK HARNESS. Disconnect the keyless access CM connector. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B574) No. 6 - Chassis ground | Is resistance 128 - 157 ohms? (20°C) | Go to step 8 . | Check IG relay 1. Go to step 7 . |
| 7 CHECK RELAY. Perform unit inspection of IG relay 1 and IG relay 2. < Ref. to CHECK RELAY , INSPECTION, Relay and Fuse. > | Is the relay OK? | Go to step 8 . | Replace the relay. < Ref. to REMOVAL , IG Relay1 (Push Button Start). > < Ref. to REMOVAL , IG Relay2 (Push Button Start). > |
| 8 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector. Using a tester, measure the voltage between the terminals of keyless access CM connector. Connector & terminal (B574) No. 6 (+) - Chassis ground (-): (B572) No. 9 (+) - Chassis ground (-) | Is the voltage 1 V or less --> 9.5 - 16 V when ACC --> IGN ON? | System is normal. It is possible that temporary poor contact occurs. | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 12
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 3 . | Replace the fuse. When the replaced fuse is blown immediately, check the power supply circuit for short-circuited. |
| 3 CHECK HARNESS. Disconnect the keyless access CM connector. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 2 (+) - Chassis ground (-) | Is the voltage 9.5 - 16 V? | Go to step 4 . | Check the power supply circuit. |
| 4 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 5 . | Repair or replace the open circuit of harness. |
| 5 CHECK HARNESS. Disconnect the keyless access CM connector. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B574) No. 4 - Chassis ground | Is resistance 128 - 157 ohms? (20°C) | Go to step 7 . | Go to step 6 . |
| 6 CHECK RELAY. Perform inspection of ACC relay unit. < Ref. to CHECK RELAY , INSPECTION, Relay and Fuse. > | Is the relay OK? | Go to step 7 . | Replace the relay. < Ref. to REMOVAL , Accessory Relay (Push Button Start). > |
| 7 CHECK HARNESS. Using a tester, measure the resistance between keyless access CM connectors. Connector & terminal (B574) No. 4 - (B426) No. 2: (B426) No. 3 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 8 . | Repair or replace the open circuit of harness. |
| 8 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector. Using a tester, measure the voltage between keyless access CM connectors. Connector & terminal (B574) No. 4 (+) - Chassis ground (-) | Is the voltage 1 V or less --> 9.5 - 16 V when OFF --> ACC ON? | System is normal. It is possible that temporary poor contact occurs. | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 13
Scheme 14
- Non-turbo model
- Turbo model
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 3 . | Replace the fuse. When the replaced fuse is blown immediately, check the power supply circuit for short-circuited. |
| 3 CHECK HARNESS. Disconnect the keyless access CM connector and ECM connector. Using a tester, measure the resistance between the keyless access CM connector and ECM. Connector & terminal Non-turbo model (B572) No. 7 - (B137) No. 17: Turbo model (B572) No. 7 - (B134) No. 45 | Is the resistance less than 1 ohms? | Go to step 4 . | Repair or replace the open circuit of harness. |
| 4 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 5 . | Repair or replace the open circuit of harness. |
| 5 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 7 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 6 . | Repair or replace the short circuit of the harness. |
| 6 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector and ECM connector. Using a tester, measure the voltage between the terminals of keyless access CM connector. Connector & terminal (B572) No. 7 (+) - (B572) No. 11 (-) | Is the voltage 2 V or less --> 9 V or more, when the push button ignition switch is turned on while depressing the brake pedal (AT model) or clutch pedal (MT model) with the shift position in P or N and the key placed in the passenger room? | Perform inspection according to the diagnosis of engine. | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 15
Scheme 16
- Non-turbo model
- Turbo model
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK HARNESS. Disconnect the keyless access CM connector and ECM connector. Using a tester, measure the resistance between the keyless access CM connector and ECM. Connector & terminal Non-turbo model (B573) No. 28 - (B135) No. 32: Turbo model (B573) No. 28 - (B134) No. 2 | Is the resistance less than 1 ohms? | Go to step 3 . | Repair or replace the open circuit of harness. |
| 3 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B573) No. 28 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 4 . | Repair or replace the short circuit of the harness. |
| 4 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 5 . | Repair or replace the open circuit of harness. |
| 5 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector and ECM connector. Using a tester, measure the voltage between terminals of the keyless access CM connector when the push button ignition switch is pressed while depressing the brake pedal, with the shift lever in the P range for model except for MT or while depressing the clutch pedal for MT model. Connector & terminal (B573) No. 28 (+) - (B572) No. 11 (-) | Is the voltage 9.5 - 16 V --> 1 V or less? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Replace the ECM. < Ref. to REMOVAL , Engine Control Module (ECM). > |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 17
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK COMBINATION METER. Check that the speedometer is displayed normally. | Is the meter display normal? | Go to step 3 . | Check the VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > |
| 3 CHECK CURRENT DATA. Confirm the current data display of keyless access system using Subaru Select Monitor. Vehicle speed signal | Is the parked state or driving state displayed normally? | Go to step 4 . | Check the VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > |
| 4 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 5 . | Replace the fuse. When the replaced fuse is blown immediately, check the power supply circuit for short-circuited. |
| 5 CHECK HARNESS. Disconnect the keyless access CM connector. Using a tester, measure the voltage between keyless access CM connectors. Connector & terminal (B572) No. 2 (+) - Chassis ground (-) | Is the voltage 9.5 - 16 V? | Go to step 6 . | Check the power supply circuit. |
| 6 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 7 . | Repair or replace the open circuit of harness. |
| 7 CHECK HARNESS. Disconnect the keyless access CM connector. Disconnect the combination meter connector. Using a tester, measure the resistance between the keyless access CM connector and VDC CM connector. Connector & terminal (B572) No. 27 - (B310) No. 27 | Is the resistance less than 1 ohms? | Go to step 8 . | Repair or replace the open circuit of harness. |
| 8 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 27 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 9 . | Repair or replace the short circuit of the harness. |
| 9 CHECK KEYLESS ACCESS CM. Connect each connector. Using the Subaru Select Monitor, measure the waveform between the terminals of keyless access CM. Connector & terminal (B572) No. 27 - Chassis ground | Is 3.54 Hz displayed when the vehicle is driven approx. at 5 km/h? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Check the VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK COMBINATION METER. Check that the speedometer is displayed normally. Vehicle speed signal | Is the meter display normal? | Go to step 3 . | Check the VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > |
| 3 CHECK CURRENT DATA. Confirm the current data display of keyless access system using Subaru Select Monitor. Vehicle speed signal | Is the parked state or driving state displayed normally? | Go to step 4 . | Check the VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > |
| 4 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 5 . | Replace the fuse. When the replaced fuse is blown immediately, check the power supply circuit for short-circuited. |
| 5 CHECK HARNESS. Disconnect the keyless access CM connector. Using a tester, measure the voltage between keyless access CM connectors. Connector & terminal (B572) No. 2 (+) - Chassis ground (-) | Is the voltage 9.5 - 16 V? | Go to step 6 . | Check the power supply circuit. |
| 6 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 7 . | Repair or replace the open circuit of harness. |
| 7 CHECK HARNESS. Disconnect the keyless access CM connector. Disconnect the combination meter connector. Using a tester, measure the resistance between the keyless access CM connector and VDC CM connector. Connector & terminal (B572) No. 27 - (B310) No. 27 | Is the resistance less than 1 ohms? | Go to step 8 . | Repair or replace the open circuit of harness. |
| 8 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 27 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 9 . | Repair or replace the short circuit of the harness. |
| 9 CHECK KEYLESS ACCESS CM. Connect each connector. Using the Subaru Select Monitor, measure the waveform between the terminals of keyless access CM. Connector & terminal (B572) No. 27 - Chassis ground | Is 3.54 Hz displayed when the vehicle is driven approx. at 5 km/h? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Check the VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 18
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK DTC. Use the Subaru Select Monitor and read DTCs. | Is B2785 displayed? | Perform the inspection according to B2785. < Ref. to DTC B2785 LIN COMMUNICATION ERROR , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > | Go to step 3 . |
| 3 CHECK CURRENT DATA. Confirm the current data display of keyless access system using Subaru Select Monitor. When locked: Lock side sensor status: ON Unlock side sensor status: OFF Lock confirmation: Confirmed Unlock confirmation: Not confirmed When unlocked: Lock side sensor status: OFF Unlock side sensor status: ON Lock confirmation: Not confirmed Unlock confirmation: Confirmed NOTE: To lock the steering lock, turn off the power, and open --> close, or close --> open the driver's door. To unlock the steering lock, turn the ignition switch to ACC ON or IGN ON. | Are the readings as shown on the left according to the steering lock status? | Go to step 4 . | Replace the steering lock CM. < Ref. to REMOVAL , Steering Lock CM. > |
| 4 CHECK CURRENT DATA. Confirm the current data display of keyless access system using Subaru Select Monitor. When locked: Steering unlock switch: OFF When unlocked: Steering unlock switch: ON NOTE: To lock the steering lock, turn off the power, and open --> close, or close --> open the driver's door. To unlock the steering lock, turn the ignition switch to ACC ON or IGN ON. | Are the readings as shown on the left according to the steering lock status? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Go to step 5 . |
| 5 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 6 . | Replace the fuse. When the replaced fuse is blown immediately, check the power supply circuit for short-circuited. |
| 6 CHECK HARNESS. Disconnect the keyless access CM connector. Using a tester, measure the voltage between keyless access CM connectors. Connector & terminal (B572) No. 2 (+) - Chassis ground (-) | Is the voltage 9.5 - 16 V? | Go to step 7 . | Check the power supply circuit. |
| 7 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 8 . | Repair or replace the open circuit of harness. |
| 8 CHECK HARNESS. Using a tester, measure the resistance between the steering lock CM connector and chassis ground. Connector & terminal (B424) No. 4 - Chassis ground | Does the following occur? Steering lock: 10 kohms or more --> Steering unlock: less than 1 ohms | Go to step 9 . | Replace the steering lock CM. < Ref. to REMOVAL , Steering Lock CM. > |
| 9 CHECK HARNESS. Disconnect the keyless access CM connector. Disconnect the steering lock CM connector. Using a tester, measure the resistance between the keyless access CM connector and steering lock CM. Connector & terminal (B574) No. 26 - (B424) No. 4 | Is the resistance less than 1 ohms? | Go to step 10 . | Repair or replace the open circuit of harness. |
| 10 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B574) No. 26 - Chassis ground | Is the resistance 10 kohms or more? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Repair or replace the short circuit of the harness. |
| NOTE |
|---|
| To lock the steering lock, turn off the power, and open --> close, or close --> open the driver's door. To unlock the steering lock, turn the ignition switch to ACC ON or IGN ON. |
| NOTE |
|---|
| To lock the steering lock, turn off the power, and open --> close, or close --> open the driver's door. To unlock the steering lock, turn the ignition switch to ACC ON or IGN ON. |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 19
Scheme 20
- Non-turbo model
- Turbo model
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK CURRENT DATA. Confirm the current data display of keyless access system using Subaru Select Monitor. Engine speed | Can the data be read normally? | Perform the diagnosis for the engine. < Ref. to ENGINE , PROCEDURE, Basic Diagnostic Procedure. > | Go to step 3 . |
| 3 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 4 . | Replace the fuse. When the replaced fuse is blown immediately, check the power supply circuit for short-circuited. |
| 4 CHECK HARNESS. Disconnect the keyless access CM connector. Using a tester, measure the voltage between keyless access CM connectors. Connector & terminal (B572) No. 2 (+) - Chassis ground (-) | Is the voltage 9.5 - 16 V? | Go to step 5 . | Check the power supply circuit. |
| 5 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 6 . | Repair or replace the open circuit of harness. |
| 6 CHECK HARNESS. Disconnect the keyless access CM connector. Disconnect the ECM connector. Using a tester, measure the resistance between the keyless access CM connector and ECM connector. Connector & terminal Non-turbo model (B572) No. 17 - (B135) No. 15: Turbo model (B572) No. 17 - (B134) No. 4 | Is the resistance less than 1 ohms? | Go to step 7 . | Repair or replace the open circuit of harness. |
| 7 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 17 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 8 . | Repair or replace the open circuit of harness. |
| 8 CHECK HARNESS. Connect the keyless access CM connector and ECM connector. Using the Subaru Select Monitor, measure the waveform between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 17 - Chassis ground | Does the pulse stop when the engine is stopped, and does the pulse generate when the engine is started? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Perform the diagnosis for the engine. < Ref. to ENGINE , PROCEDURE, Basic Diagnostic Procedure. > |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 21
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK STEERING LOCK CM. Disconnect the steering lock CM connector. Using a tester, measure the resistance between the steering lock CM connector and chassis ground. Connector & terminal (B424) No. 1 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 2 . | Repair or replace the open circuit of harness. |
| 2 CHECK CURRENT DATA. Connect the steering lock CM connector. ACC OFF, IGN OFF, shift position in P Using a tester, open the door, and measure the voltage between terminals of steering CM connector when the steering lock motor is driven. Connector & terminal (B424) No. 3 (+) - (B424) No. 1 (-) | Does the voltage change as follows? Steering lock motor in operation: 1 V or less --> Steering lock motor is stopped: 11 - 14 V | Go to step 3 . | Go to step 4 . |
| 3 CHECK DTC. Turn the ignition switch to ON. Using the Subaru Select Monitor, clear the memory. Turn the ignition switch to OFF. Disconnect the battery ground cable and reconnect it, and then clear the abnormal information displayed on the data monitor. Turn the ignition switch to ON. Use the Subaru Select Monitor and read DTCs. | Is B2782 displayed? | Replace the steering lock CM. < Ref. to REMOVAL , Steering Lock CM. > | System is normal. It is possible that temporary poor contact occurs. |
| 4 CHECK CONNECTOR. Disconnect the steering lock CM connector. Disconnect the keyless access CM connector. | Are connectors normal? | Go to step 5 . | Repair or replace the connector. |
| 5 CHECK HARNESS. Using a tester, measure the resistance between steering lock CM connector and keyless access CM connector. Connector & terminal (B574) No. 29 - (B424) No. 3 | Is the resistance less than 1 ohms? | Go to step 6 . | Repair or replace the open circuit of harness. |
| 6 CHECK HARNESS. Using a tester, measure the resistance between steering lock CM connector and chassis ground, and between keyless access CM connector and chassis ground. Connector & terminal (B424) No. 3 - Chassis ground: (B574) No. 29 - Chassis ground | Is the resistance 10 kohms or more? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Repair or replace the short circuit of the harness. |
DTC PROCEDURE
Immobilizer system < Ref. to WIRING DIAGRAM , Immobilizer System. >
Scheme 22
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK HARNESS. Disconnect the push button ignition switch connector. Disconnect the keyless access CM connector. Using the tester, measure the resistance between terminals. Connector & terminal (i150) No. 14 - (B574) No. 1: (i150) No. 9 - (B574) No. 9: (i150) No. 10 - (B574) No. 7: (i150) No. 8 - (B574) No. 24 | Is the resistance less than 1 ohms? | Go to step 2 . | Repair or replace the open circuit of harness. |
| 2 CHECK HARNESS. Using the tester, measure the resistance between terminals. Connector & terminal (i150) No. 14 - Chassis ground: (i150) No. 9 - Chassis ground: (i150) No. 10 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 3 . | Repair or replace the short circuit of the harness. |
| 3 CHECK PUSH BUTTON IGNITION SWITCH. Replace the push button ignition switch. < Ref. to REMOVAL , Push Button Ignition Switch. > Using the Subaru Select Monitor, clear the memory. Use the Subaru Select Monitor and read DTCs. | Is B2784 displayed? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Malfunction occurred in the push button ignition switch. |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 23
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK DTC. Use the Subaru Select Monitor and read DTCs. | Is B2785 displayed? | Go to step 2 . | Check the connector. |
| 2 CHECK HARNESS. Disconnect the keyless access CM connector. Disconnect the steering lock CM connector. Using the tester, measure the resistance between terminals. Connector & terminal (B574) No. 17 - (B424) No. 5 | Is the resistance less than 1 ohms? | Go to step 3 . | Repair or replace the open circuit of harness. |
| 3 CHECK HARNESS. Using the tester, measure the resistance between terminals. Connector & terminal (B424) No. 5 - Chassis ground: (B574) No. 17 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 4 . | Repair or replace the short circuit of the harness. |
| 4 CHECK HARNESS. Connect the keyless access CM connector only. Use the Subaru Select Monitor and read DTCs. | Is B2785 displayed? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Go to step 5 . |
| 5 CHECK STEERING LOCK CM. Replace the steering lock CM, and then connect it. < Ref. to REMOVAL , Steering Lock CM. > Using the Subaru Select Monitor, clear the memory. Use the Subaru Select Monitor and read DTCs. | Is B2785 displayed? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Malfunction occurred in the steering lock CM. |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 24
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK DTC. Use the Subaru Select Monitor and read DTCs. | Is a DTC other than B2786 displayed? | Perform the diagnosis according to DTC. | Go to step 2 . |
| 2 CHECK HARNESS. Disconnect the keyless access CM connector. Disconnect the steering lock CM connector. Using the tester, measure the resistance between terminals. Connector & terminal (B574) No. 17 - (B424) No. 5 | Is the resistance less than 1 ohms? | Go to step 3 . | Repair or replace the open circuit of harness. |
| 3 CHECK HARNESS. Using the tester, measure the resistance between terminals. Connector & terminal (B424) No. 5 - Chassis ground: (B574) No. 17 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 4 . | Repair or replace the short circuit of the harness. |
| 4 CHECK HARNESS. Using a tester, measure the resistance between the steering lock CM connector and chassis ground. Connector & terminal (B424) No. 1 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 5 . | Repair or replace the open circuit of harness. |
| 5 CHECK HARNESS. Turn the ignition switch to ON. Using a tester, measure the voltage between the steering lock CM connector and chassis ground. Connector & terminal (B424) No. 6 (+) - Chassis ground (-): (B424) No. 7 (+) - Chassis ground (-) | Is the voltage 11 - 14 V? | Go to step 6 . | Repair or replace the open circuit of harness. |
| 6 CHECK STEERING LOCK CM. Turn the ignition switch to ON. Replace the steering lock CM. < Ref. to REMOVAL , Steering Lock CM. > Using the Subaru Select Monitor, clear the memory. Use the Subaru Select Monitor and read DTCs. | Is B2786 displayed? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Malfunction occurred in the steering lock CM. |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 2 . | Replace the fuse. When the replaced fuse is blown immediately, check the power supply circuit for short-circuited. |
| 2 CHECK CURRENT DATA. Check the current data display of keyless access CM using the Subaru Select Monitor. IGN SW | Is the display normal according to the ignition switch operation? | Go to step 3 . | Go to step 5 . |
| 3 CHECK HARNESS. Disconnect the steering lock CM connector. Using a tester, measure the resistance between the steering lock CM connector and chassis ground. Connector & terminal (B424) No. 1 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 4 . | Repair or replace the open circuit of harness. |
| 4 CHECK HARNESS. Connect the steering lock CM connector. Using the tester, measure the voltage between terminals. Connector & terminal (B424) No. 6 (+) - (B424) No. 1 (-) | Is the voltage 11 - 14 V with IG ON? Is the voltage less than 1 V with IG OFF? | Replace the steering lock CM. < Ref. to REMOVAL , Steering Lock CM. > | Check the DC power supply circuit. |
| 5 CHECK HARNESS. Using a tester, measure the voltage between the keyless access CM connector and chassis ground. Connector & terminal (B574) No. 5 (+) - Chassis ground (-) | Is the voltage 11 - 14 V with IG ON? Is the voltage less than 1 V with IG OFF? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Check the DC power supply circuit. |
DTC PROCEDURE
Immobilizer system < Ref. to WIRING DIAGRAM , Immobilizer System. >
Scheme 25
Keyless access system < Ref. to WIRING DIAGRAM , Keyless Access System. >
Scheme 26
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK CONNECTOR. Disconnect the keyless access CM connector. Disconnect the front door outer handle connector. | Is the connector OK? | Go to step 3 . | Repair or replace the connector. |
| 3 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and front door outer handle connector, and between front door outer handle connector and chassis ground. Connector & terminal (B574) No. 12 - (D66) No. 6: (B574) No. 13 - (D66) No. 3: (D66) No. 2 - Chassis ground: (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 4 . | Repair or replace the open circuit of harness. |
| 4 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground, and between front door outer handle connector and chassis ground. Connector & terminal (B574) No. 12 - Chassis ground: (B574) No. 13 - Chassis ground: (D66) No. 6 - Chassis ground: (D66) No. 3 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 5 . | Repair or replace the short circuit of the harness. |
| 5 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector. Use an oscilloscope, measure the waveform between terminals with ignition switch OFF, all doors closed and access key not in passenger room. Connector & terminal (B574) No. 12 - (B572) No. 11: (B574) No. 13 - (B572) No. 11 | Does pulse output change from pulse output OFF --> pulse output ON by the lock operation using access key? | Go to step 6 . | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > |
| 6 CHECK FRONT DOOR OUTER HANDLE. Replace the driver's front door outer handle with the passenger's front door outer handle. < Ref. to REMOVAL , Front Outer Handle. > Read DTC using the Subaru Select Monitor. | Is B27A1 displayed? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Replace the driver's front door outer handle. |
DTC PROCEDURE
Keyless access system < Ref. to WIRING DIAGRAM , Keyless Access System. >
Scheme 27
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK CONNECTOR. Disconnect the keyless access CM connector. Disconnect the front door outer handle connector. | Is the connector OK? | Go to step 3 . | Repair or replace the connector. |
| 3 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and front door outer handle connector, and between front door outer handle connector and chassis ground. Connector & terminal (B574) No. 11 - (D56) No. 6: (B574) No. 10 - (D56) No. 3: (D56) No. 2 - Chassis ground: (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 4 . | Repair or replace the open circuit of harness. |
| 4 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground, and between front door outer handle connector and chassis ground. Connector & terminal (B574) No. 11 - Chassis ground: (B574) No. 10 - Chassis ground: (D56) No. 6 - Chassis ground: (D56) No. 3 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 5 . | Repair or replace the short circuit of the harness. |
| 5 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector. Use an oscilloscope, measure the waveform between terminals with ignition switch OFF, all doors closed and access key not in passenger room. Connector & terminal (B574) No. 12 - (B572) No. 11: (B574) No. 13 - (B572) No. 11 | Does pulse output change from pulse output OFF --> pulse output ON by the lock operation using access key? | Go to step 6 . | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > |
| 6 CHECK FRONT DOOR OUTER HANDLE. Replace the passenger's front door outer handle with the driver's front door outer handle. < Ref. to REMOVAL , Front Outer Handle. > Read DTC using the Subaru Select Monitor. | Is B27A2 displayed? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Replace the passenger's front door outer handle. |
DTC PROCEDURE
Keyless access system < Ref. to WIRING DIAGRAM , Keyless Access System. >
Scheme 28
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK CONNECTOR. Disconnect the keyless access CM connector. Disconnect the front interior antenna connector. | Is the connector OK? | Go to step 3 . | Repair or replace the connector. |
| 3 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and front interior antenna connector, and between front interior antenna connector and chassis ground. Connector & terminal (B574) No. 3 - (B579) No. 1: (B574) No. 2 - (B579) No. 3: (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 4 . | Repair or replace the open circuit of harness. |
| 4 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground, and between front interior antenna connector and chassis ground. Connector & terminal (B574) No. 3 - Chassis ground: (B579) No. 1 - Chassis ground: (B574) No. 2 - Chassis ground: (B579) No. 3 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 5 . | Repair or replace the short circuit of the harness. |
| 5 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector. Use an oscilloscope, measure the waveform between terminals with ignition switch OFF, all doors closed and access key not in passenger room. Connector & terminal (B574) No. 3 - (B572) No. 11: (B574) No. 2 - (B572) No. 11 | Does pulse output change from pulse output OFF --> pulse output ON by operating the touch sensor (lock)? | Go to step 6 . | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > |
| 6 CHECK FRONT INTERIOR ANTENNA. Replace the front interior antenna. < Ref. to REMOVAL , Keyless Access Indoor Antenna. > Read DTC using the Subaru Select Monitor. | Is B27A5 displayed? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Malfunction occurred in the front interior antenna. |
DTC PROCEDURE
Keyless access system < Ref. to WIRING DIAGRAM , Keyless Access System. >
Scheme 29
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK CONNECTOR. Disconnect the keyless access CM connector. Disconnect the center interior antenna connector. | Is the connector OK? | Go to step 3 . | Repair or replace the connector. |
| 3 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and center interior antenna connector, and between center interior antenna connector and chassis ground. Connector & terminal (B573) No. 11 - (R298) No. 1: (B573) No. 10 - (R298) No. 3: (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 4 . | Repair or replace the open circuit of harness. |
| 4 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground, and between center interior antenna connector and chassis ground. Connector & terminal (B573) No. 11 - Chassis ground: (B573) No. 10 - Chassis ground: (R298) No. 1 - Chassis ground: (R298) No. 3 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 5 . | Repair or replace the short circuit of the harness. |
| 5 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector. Use an oscilloscope, measure the waveform between terminals with ignition switch OFF, all doors closed and access key not in passenger room. Connector & terminal (B573) No. 10 - (B572) No. 11: (B573) No. 11 - (B572) No. 11 | Does pulse output change from pulse output OFF --> pulse output ON by operating the touch sensor (lock)? | Go to step 6 . | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > |
| 6 CHECK CENTER INTERIOR ANTENNA. Replace the center interior antenna. < Ref. to REMOVAL , Keyless Access Indoor Antenna. > Read DTC using the Subaru Select Monitor. | Is B27A6 displayed? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Malfunction occurred in the center interior antenna. |
DTC PROCEDURE
Keyless access system < Ref. to WIRING DIAGRAM , Keyless Access System. >
Scheme 30
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK CONNECTOR. Disconnect the keyless access CM connector. Disconnect the rear interior antenna connector. | Is the connector OK? | Go to step 3 . | Repair or replace the connector. |
| 3 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and rear interior antenna connector, and between rear interior antenna connector and chassis ground. Connector & terminal (B573) No. 8 - (R297) No. 3: (B573) No. 9 - (R297) No. 1: (B572) No. 11 - Chassis ground | Is the resistance less than 1 ohms? | Go to step 4 . | Repair or replace the open circuit of harness. |
| 4 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground, and between rear interior antenna connector and chassis ground. Connector & terminal (B573) No. 8 - Chassis ground: (B573) No. 9 - Chassis ground: (R297) No. 1 - Chassis ground: (R297) No. 3 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 5 . | Repair or replace the short circuit of the harness. |
| 5 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector. Use an oscilloscope, measure the waveform between terminals with ignition switch OFF, all doors closed and access key not in passenger room. Connector & terminal (B573) No. 8 - (B572) No. 11: (B573) No. 9 - (B572) No. 11 | Does pulse output change from pulse output OFF --> pulse output ON by operating the touch sensor (lock)? | Go to step 6 . | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > |
| 6 CHECK REAR INTERIOR ANTENNA. Replace the rear interior antenna. < Ref. to REMOVAL , Keyless Access Indoor Antenna. > Read DTC using the Subaru Select Monitor. | Is B27A7 displayed? | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > | Malfunction occurred in the rear interior antenna. |
DTC PROCEDURE
Keyless access system < Ref. to WIRING DIAGRAM , Keyless Access System. >
Scheme 31
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. > | Is LAN system normal? | Go to step 2 . | Perform the inspection according to the diagnosis for LAN system. |
| 2 CHECK CONNECTOR. Disconnect the keyless access CM connector. Disconnect the rear exterior antenna connector. | Is the connector OK? | Go to step 3 . | Repair or replace the connector. |
| 3 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and rear exterior antenna connector, and between rear exterior antenna connector and chassis ground. Connector & terminal (B573) No. 2 - (AD23) No. 1: (B573) No. 1 - (AD23) No. 2 | Is the resistance less than 1 ohms? | Go to step 4 . | Repair or replace the open circuit of harness. |
| 4 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground, and between rear exterior antenna connector and chassis ground. Connector & terminal (B573) No. 2 - Chassis ground: (B573) No. 1 - Chassis ground: (AD23) No. 2 - Chassis ground: (AD23) No. 1 - Chassis ground | Is the resistance 10 kohms or more? | Go to step 5 . | Repair or replace the short circuit of the harness. |
| 5 CHECK REAR EXTERIOR ANTENNA. Remove the rear exterior antenna. < Ref. to REMOVAL , Keyless Access Outdoor Antenna. > Using a tester, measure the resistance between rear exterior antenna connectors. Connector & terminal (AD23) No. 1 - (AD23) No. 2 | Is the resistance less than 1 ohms? | Go to step 6 . | Replace the rear exterior antenna. < Ref. to REMOVAL , Keyless Access Outdoor Antenna. > |
| 6 CHECK KEYLESS ACCESS CM. Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > Read DTC using the Subaru Select Monitor. | Is B27A8 displayed? | Replace the rear exterior antenna. < Ref. to REMOVAL , Keyless Access Outdoor Antenna. > | Malfunction occurred in the keyless access CM. |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
Scheme 32
Scheme 33
- Non-turbo model
- Turbo model
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK CURRENT DATA. Turn the ignition switch to ON. Check the keyless access CM data using the Subaru Select Monitor. Display the next data. "Immobilizer" "Engine start" "Unlock confirmation" Data Immobilizer = Unset: Engine start = Engine start permission: Unlock confirmation = Confirmed | Is the data displayed as described above? | Go to step 2 . | Perform diagnostics with phenomenon. < Ref. to ENGINE DOES NOT START , INSPECTION, Diagnostics with Phenomenon. > |
| 2 CHECK CURRENT DATA. Use the Subaru Select Monitor to check the keyless access CM data when holding down the push button ignition switch while depressing on the brake pedal (AT model) or clutch pedal (MT model). Data EGI code reception status = Reception: NOTE: If "Reception" is displayed, the status changes to "Not yet received" in 10 seconds. When performing the check again, perform the check after turning the ignition to OFF. | Is the data displayed as described above? | Go to step 3 . | Repair or replace the harness between keyless access CM and ECM. |
| 3 CHECK WIRING HARNESS. Turn the ignition switch to OFF. Disconnect the keyless access CM connector and ECM connector. Using a tester, measure the resistance between the keyless access CM connector and ECM. Connector & terminal Non-turbo model (B572) No. 13 - (B135) No. 25: Turbo model (B572) No. 13 - (E158) No. 43 | Is the resistance less than 10 ohms? | Go to step 4 . | Repair or replace the open circuit of harness. |
| 4 CHECK WIRING HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground | Is the resistance less than 10 ohms? | Go to step 5 . | Repair or replace the open circuit of harness. |
| 5 CHECK ECM. Install the ECM from other normal operating vehicle (with push button start) which use same ECM to the vehicle to be diagnosed. Perform ECM registration. Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER". | Is ECM registration finished? And does the engine start? | Replace the ECM. < Ref. to REMOVAL , Engine Control Module (ECM). > Install the ECM from other vehicle to the original vehicle. | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > |
| NOTE |
|---|
| If "Reception" is displayed, the status changes to "Not yet received" in 10 seconds. When performing the check again, perform the check after turning the ignition to OFF. |
DTC PROCEDURE
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 2 . | Replace the fuse. |
| 2 CHECK CONNECTOR. Check the engagement of each connector and for any deformation or looseness. | Are the connectors and terminals normal? | Go to step 3 . | Repair the connector, or replace harness. |
| 3 CHECK WIRING HARNESS. Disconnect the keyless access CM connector. Using a tester, measure the voltage between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 2 (+) - Chassis ground (-) | Is the voltage between 8 V and 16 V? | Go to step 4 . | Repair or replace the open circuit of harness. |
| 4 CHECK WIRING HARNESS. Using a tester, check continuity between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground | Is there continuity? | Go to step 5 . | Repair or replace the open circuit of harness. |
| 5 CHECK ACCESSORY RELAY (PUSH BUTTON START). Check the accessory relay (push button start). < Ref. to INSPECTION , Accessory Relay (Push Button Start). > | Is the relay OK? | Go to step 6 . | Replace the relay. |
| 6 CHECK WIRING HARNESS. Disconnect the keyless access CM connector and the accessory relay (push button start). Using a tester, check continuity between the keyless access CM connector and accessory relay (push button start). Connector & terminal (B574) No. 4 - (B426) No. 2 | Is there continuity? | Go to step 7 . | Repair or replace the open circuit of harness. |
| 7 CHECK WIRING HARNESS. Using a tester, check continuity between the keyless access CM connector and chassis ground. Connector & terminal (B574) No. 4 - Chassis ground | Is there continuity? | Repair or replace the short circuit of the harness. | Go to step 8 . |
| 8 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector. Using a tester, measure the voltage between the keyless access CM connector and chassis ground when the ignition is turned from OFF to ON. Connector & terminal (B574) No. 4 (+) - Chassis ground (-) | Did the voltage change from 1 V or less --> +B-2 V or more? | System is normal. | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > |
Push button start system < Ref. to WIRING DIAGRAM , Push Button Start System. >
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 2 . | Replace the fuse. |
| 2 CHECK CONNECTOR. Check the engagement of each connector and for any deformation or looseness. | Are the connectors and terminals normal? | Go to step 3 . | Repair the connector, or replace harness. |
| 3 CHECK WIRING HARNESS. Disconnect the keyless access CM connector. Using a tester, measure the voltage between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 2 (+) - Chassis ground (-) | Is the voltage between 8 V and 16 V? | Go to step 4 . | Repair or replace the open circuit of harness. |
| 4 CHECK WIRING HARNESS. Using a tester, check continuity between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground | Is there continuity? | Go to step 5 . | Repair or replace the open circuit of harness. |
| 5 CHECK IG RELAY 1 AND 2 (PUSH BUTTON START). Check IG relay 1 (push button start) and IG relay 2 (push button start). < Ref. to INSPECTION , IG Relay1 (Push Button Start). > | Is the relay OK? | Go to step 6 . | Replace the relay. |
| 6 CHECK WIRING HARNESS. Disconnect the keyless access CM connector and the IG relay 1 and 2 (push button start). Using a tester, check continuity between keyless access CM connector and IG relay 1 (push button start) or IG relay 2 (push button start). Connector & terminal (B572) No. 9 - (B225) No. 34: (B574) No. 6 - (B225) No. 38 | Is there continuity? | Go to step 7 . | Repair or replace the open circuit of harness. |
| 7 CHECK WIRING HARNESS. Using a tester, check continuity between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 9 - Chassis ground: (B574) No. 6 - Chassis ground | Is there continuity? | Repair or replace the short circuit of the harness. | Go to step 8 . |
| 8 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector. Using a tester, measure the voltage between the keyless access CM connector and chassis ground when the ignition is turned from OFF to ON. Connector & terminal (B572) No. 9 (+) - Chassis ground (-): (B574) No. 6 (+) - Chassis ground (-) | Did the voltage change from 1 V or less --> +B-2 V or more? | System is normal. | Replace the keyless access CM. < Ref. to REMOVAL , Keyless Access CM. > |