Diagnostic system check-Wireless Access Module (Hi-version[Passive Entry and Start System]) (Wireless Access Module (Hi-version [Passive Entry and Start System]))

  • If there are no complaints on drivability, do not perform these diagnostic steps unless otherwise instructed in other sections.
  • Check for related Service Bulletins before starting the diagnosis.
  • Do not clear the DTC unless instructed to do so in a diagnostic step.
  • The battery should be fully charged.
  • The battery cable should be normal and securely connected.
  • The ground of the wireless access module should be securely connected to the correct position.
  • The wireless access module harness connector should be clean and correctly connected.
  • The wireless access module terminals should be clean and matched correctly.
  • The immobilizer security information should be programmed into the wireless access module and ECM correctly.

1. Scan tool power-up check

1) Connect the scan tool. Does the scan tool power up?

Yes

=>Go to Scan tool communication verification.

No

Go to Scan tool does not power up.

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) Scan tool does not power up".

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) Scan tool does not power up".

Refer to "51.Engine Control 1A.Troubleshooting(RZ4E-TC) Scan tool does not power up".

2. Scan tool communication verification

1) Any of the following is operated.

  • Press the engine start/stop button.
  • Press the request switch of the outside handle.
  • Open and close a door.

2) Verify that communication can be established with the wireless access module using the scan tool. Can communication with the wireless access module be established?

Yes

=>Go to Communication verification with each control unit.

No

Go to Lost communication with the Wireless Access Module(Hi-version [Passive Entry and Start System]).

Refer to "71.Security and Locks Control 10S.Troubleshooting(Wireless Access Module (Hi-version [Passive Entry and Start System])) Lost communication with the Wireless Access Module (Hi-version[Passive Entry and Start System]) (models without radar sensor and stereo camera)".

Refer to "71.Security and Locks Control 10S.Troubleshooting(Wireless Access Module (Hi-version [Passive Entry and Start System])) Lost communication with the Wireless Access Module (Hi-version[Passive Entry and Start System]) (models with radar sensor/ stereo camera)".

3. Communication verification with each control unit

1) Check the vehicle specifications and verify communication with other control units with the scan tool. Can communication with other control units be established?

Yes

=>Go to Power mode switching check.

No

Go to Scan tool does not communicate with CAN device.

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) scan tool does not communicate with CAN device (models with radar sensor and stereo camera)".

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) scan tool does not communicate with CAN device (models without radar sensor and stereo camera)".

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) scan tool does not communicate with CAN device (models with radar sensor and stereo camera)".

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) scan tool does not communicate with CAN device (models without radar sensor and stereo camera)".

Refer to "51.Engine Control 1A.Troubleshooting(RZ4E-TC) scan tool does not communicate with CAN device (models with radar sensor and stereo camera)".

Refer to "51.Engine Control 1A.Troubleshooting(RZ4E-TC) scan tool does not communicate with CAN device (models without radar sensor and stereo camera)".

4. Power mode switching check

1) Operate the engine start/stop button. Does the power mode switch to ACC or ON?

Yes

=>Go to Customer's concern check.

No

Go to The power mode does not change.

Refer to "229.Security and Locks Control 42D.Symptom the power mode does not change".

5. Customer's concern check

1) Check the customer's concern. Is the concern related to the following systems?

  • Engine
  • Body Control

Yes

Go to the applicable system inspection.

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) Diagnostic system check-engine controls".

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) Diagnostic system check-engine controls".

Refer to "51.Engine Control 1A.Troubleshooting(RZ4E-TC) Diagnostic system check-engine controls".

Refer to "64.Body Control 10I.Troubleshooting(BCM) diagnostic system check-body controls".

No

=>Go to Engine cranking verification.

6. Engine cranking verification

1) Crank the engine. Does the engine crank?

Yes

=>Go to Engine start check.

No

Go to Engine does not turn over.

Refer to "202.Engine 15D.Symptom(4JJ3 with DPD) engine does not turn over".

Refer to "202.Engine 15D.Symptom(4JJ3 without DPD) engine does not turn over".

Refer to "202.Engine 15D.Symptom(RZ4E-TC) engine does not turn over".

7. Engine start check

1) Start the engine. Does the engine start?

Yes

=>Go to Symptom check.

No

Go to Starting system check.

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) starting system check".

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) starting system check".

Refer to "51.Engine Control 1A.Troubleshooting(RZ4E-TC) starting system check".

8. Symptom check

1) Operate the vehicle and check if the following symptoms are present. Is there any applicable symptom?

  • Doors do not lock even when operating the door request switch on.
  • Doors do not unlock even when operating the door request switch on.
  • Doors do not lock or unlock with electronic key button operation
  • Answer back buzzer (external buzzer) does not work
  • No electronic key warning buzzer (external buzzer) does not work
  • The power mode does not change

Yes

Go to the applicable symptom diagnosis.

Refer to "229.Security and Locks Control 42D.Symptom doors do not unlock even if the request switch is pressed".

Refer to "229.Security and Locks Control 42D.Symptom doors do not lock even if the request switch is pressed".

Refer to "229.Security and Locks Control 42D.Symptom doors do not lock or unlock with electronic key button operation".

Refer to "229.Security and Locks Control 42D.Symptom answer back buzzer (external buzzer) does not work".

Refer to "229.Security and Locks Control 42D.Symptom no electronic key warning buzzer (external buzzer) does not work".

Refer to "229.Security and Locks Control 42D.Symptom the power mode does not change".

No

Go to Intermittent conditions of wireless access module.

Refer to "229.Security and Locks Control 42D.Symptom intermittent conditions of wireless access module".

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