Problem Symptoms Table
If a normal system code is displayed during the DTC check, but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting information.
HINT:
- The following is the troubleshooting procedure for the wireless door lock control of a vehicle with the smart key system.
- For the troubleshooting procedure for the wireless door lock control of a vehicle without the smart key system, refer to the wireless door lock control system (w/o Smart Key System).
- Inspect the fuse and relay before investigating the suspected areas shown in the table below.
- Use the table below to help determine the cause of a problem. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Repair or replace faulty parts or perform adjustments as necessary.
WIRELESS DOOR LOCK CONTROL SYSTEM:
| Symptom | Suspected Area | See |
|---|---|---|
| Wireless control function and entry function do not operate | Proceed to "All Door Entry Lock / Unlock Functions and Wireless Functions do not Operate" | Refer to All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate |
| Wireless control function does not operate but entry function operate | Replace electrical key transmitter | - |
| Wireless control function does not operate normally | Transmitter battery | Refer to INSPECTION |
| Door control transmitter | Refer to INSPECTION | |
| Certification ECU (smart key ECU assembly) | - | |
| Wire harness or connector | - | |
| Door control receiver | - | |
| Main body ECU | - | |
| Answer-back function does not operate | Lighting system | Refer to PROBLEM SYMPTOMS TABLE |
| Main body ECU | - | |
| Wire harness or connector | - | |
| Wireless door lock buzzer | Refer to No Answer-Back | |
| Automatic lock function only does not operate normally | Perform operation check | Refer to OPERATION CHECK |
| Lighting system (door courtesy light switch) | Refer to PROBLEM SYMPTOMS TABLE | |
| Illuminated entry function only does not operate | Perform operation check | Refer to OPERATION CHECK |
| Lighting system | Refer to PROBLEM SYMPTOMS TABLE | |
| Door ajar warning function only does not operate | Perform operation check | Refer to OPERATION CHECK |
| Lighting system (door courtesy light switch) | Refer to Door Courtesy Switch Circuit | |
| Meter/gauge system | - | |
| Panic alarm function only does not operate | Perform operation check | Refer to OPERATION CHECK |
| Theft deterrent system | Refer to PROBLEM SYMPTOMS TABLE |