Problem Symptoms Table
HINT:
If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to "See" in the DTC chart.
- The following is the troubleshooting procedure for the wireless door lock control of a vehicle without the smart key system.
For the troubleshooting procedure for the wireless door lock control of a vehicle with the smart key system, refer to the wireless door lock control system (w/ Smart Key System).
- Inspect the fuse and relay before investigating the trouble areas shown in the table below.
WIRELESS DOOR LOCK CONTROL SYSTEM:
| Symptom | Suspected Area | See |
|---|---|---|
| The wireless door lock control system does not operate. | 1. Perform the operation check | Refer to OPERATION CHECK |
| 2. Check if the CAN communication DTC is output | Refer to DIAGNOSTIC TROUBLE CODE CHART | |
| 3. Door control transmitter | Refer to INSPECTION | |
| 4. Door courtesy light switch circuit | Refer to Door Courtesy Switch Circuit | |
| 5. Luggage compartment door courtesy light switch | Refer to Luggage Compartment Door Courtesy Switch Circuit | |
| 6. Power source circuit | Refer to Power Source Circuit | |
| 7. Replace door control receiver | - | |
| 8. Replace certification ECU | - | |
| 9. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel J/B) | - | |
| The automatic lock function does not operate normally. | 1. Perform the operation check | Refer to OPERATION CHECK |
| 2. Door courtesy light switch circuit | Refer to Door Courtesy Switch Circuit | |
| 3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel J/B) | - | |
| The illuminated entry function only does not operate. | 1. Perform the operation check | Refer to OPERATION CHECK |
| 2. Lighting system | Refer to PROBLEM SYMPTOMS TABLE | |
| 3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel J/B) | - | |
| The answer back function does not operate (Wireless door lock buzzer). | 1. Perform the operation check | Refer to OPERATION CHECK |
| 2. Lock position switch circuit | - | |
| - Driver door | Refer to Driver Side Door UNLOCK Detection Switch Circuit | |
| - Front passenger door | Refer to Front Passenger Side Door UNLOCK Detection Switch Circuit | |
| - Rear passenger door LH | Refer to Rear Door UNLOCK Detection Switch LH Circuit | |
| - Rear passenger door RH | Refer to Rear Door UNLOCK Detection Switch RH Circuit | |
| 3. Wireless door lock buzzer circuit | Refer to Wireless Door Lock Buzzer Circuit | |
| 4. Replace certification ECU | - | |
| 5. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel J/B) | - | |
| The answer back function does not operate (Hazard warning light). | 1. Perform the operation check | Refer to OPERATION CHECK |
| 2. Lock position switch circuit | - | |
| - Driver door | Refer to Driver Side Door UNLOCK Detection Switch Circuit | |
| - Front passenger door | Refer to Front Passenger Side Door UNLOCK Detection Switch Circuit | |
| - Rear passenger door LH | Refer to Rear Door UNLOCK Detection Switch LH Circuit | |
| - Rear passenger door RH | Refer to Rear Door UNLOCK Detection Switch RH Circuit | |
| 3. Wire harness | - | |
| 4. Turn signal flasher | Refer to ON-VEHICLE INSPECTION | |
| 5. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel J/B) | - | |
| The door ajar warning function only does not operate. | 1. Perform the operation check | Refer to OPERATION CHECK |
| 2. Door courtesy switch circuit | Refer to Door Courtesy Switch Circuit | |
| 3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel J/B) | - | |
| The panic alarm function only does not operate. | 1. Perform the operation check | Refer to OPERATION CHECK |
| 2. Door control transmitter | Refer to INSPECTION | |
| 3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel J/B) | - | |
| The panic alarm function does not operate (Vehicle horn). | 1. Perform the operation check | Refer to OPERATION CHECK |
| 2. Horn circuit | Refer to Horn Circuit | |
| 3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel J/B) | - | |
| The panic alarm function does not operate (Security horn). | 1. Perform the operation check | Refer to OPERATION CHECK |
| 2. Security horn circuit | Refer to Security Horn Circuit | |
| 3. Replace certification ECU | - | |
| 4. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel J/B) | - | |
| The panic alarm function does not operate (Hazard warning light). | 1. Perform the operation check | Refer to OPERATION CHECK |
| 2. Wire harness | - | |
| 3. Turn signal flasher | Refer to ON-VEHICLE INSPECTION | |
| 4. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel J/B) | - | |
| The panic alarm function does not operate (Headlight or taillight). | 1. Perform the operation check | Refer to OPERATION CHECK |
| 2. Lighting system | Refer to PROBLEM SYMPTOMS TABLE | |
| 3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel J/B) | - |