| 1 |
- Retrieve the advanced keyless system DTC using the M-MDS.
- Are there DTC displayed?
|
Yes |
Perform the applicable DTC diagnostic procedures. |
| No |
Go to the next step. |
| 2 |
- Attempt to start the engine using the key.
- Does engine start?
|
Yes |
Go to the next step. |
| No |
Go to NO. 3 ADVANCED KEYLESS ENTRY FUNCTION INOPERATIVE . |
| 3 |
- Bring the transmitter (card key) inside the passenger compartment.
- Measure the voltage at the keyless control module terminal 2N (push switch) while pushing the start knob.
- Is the voltage 0 V
?
|
Yes |
Go to the next step. |
| No |
- Inspect the wiring harness between the steering lock unit and keyless control.
- If the harness is normal, replace the steering lock unit.
- If the harness is malfunctioning, repair the wiring harness.
- Go to the next step.
|
| 4 |
- Replace with a transmitter (card key) battery known to be good.
- Bring the transmitter (card key) inside the passenger compartment.
- Does the keyless entry system operate properly?
|
Yes |
Replace the transmitter (card key). Then go to the next step. |
| No |
Go to the next step. |
| 5 |
- Measure the voltage at the following keyless control module terminal while pressing the start knob.
- Terminal 1A and 1B for driver's side keyless antenna
- Terminal 1C and 1D for passenger's side keyless antenna
- Terminal 1E and 1F for exterior, rear keyless antenna
- Terminal 1G and 1H for interior, rear (4SD)/interior, RR (5HB, WGN) keyless antenna
- Terminal 11 and U for interior, RL keyless antenna (5HB, WGN)
- Terminal 1K and 1L for interior, middle keyless antenna
- Terminal 2G and 25H for interior, front keyless antenna
- Is the voltage within 4.0-6.0 V?
|
Yes |
Go to Step 7. |
| No |
Inspect and repair the applicable wiring harness between the keyless antenna and the keyless control module, then go to the next step. |
| 7 |
- Measure the voltage at the keyless control module terminals 2U (keyless receiver) while pressing the start knob.
- Is the voltage as above?
|
Yes |
Go to the next step. |
| No |
- Inspect the wiring harness between the keyless receiver and the keyless control module.
- If the harness is normal, replace the keyless receiver.
- If the harness is malfunctioning, repair the wiring harness.
- Go to the next step.
|
| 8 |
- Does the keyless indicator light turn ON when pressing the start knob?
|
Yes |
Go to Step 10. |
| No |
Go to the next step. |
| 9 |
- Measure the voltage at the keyless control module terminals 2P while pressing the start knob.
- Is the voltage as above?
|
Yes |
Go to the next step. |
| No |
- Inspect the wiring harness between the steering lock unit and the keyless control module.
- If the harness is normal, replace the keyless control module.
- If the harness is malfunctioning, repair the wiring harness.
- Go to the next step.
|
| 10 |
- Does the keyless entry system operate properly?
|
Yes |
Troubleshooting completed. Explain repairs to the customers |
| No |
Reinspect the malfunction symptoms, then repeat form Step 1 if malfunction recurs. |