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 information.
HINT:
Inspect each malfunction circuit in numerical order for its corresponding symptom.
WIRELESS DOOR LOOK CONTROL SYSTEM:
WIRELESS DOOR LOOK CONTROL SYSTEM
| Symptom | Suspected area | Information |
|---|---|---|
| The wireless door lock control system does not operate. | Perform the operation check. | OPERATION CHECK |
| Door control transmitter | DOOR CONTROL TRANSMITTER | |
| Enter the self-diagnostic mode. | DTC CHECK/CLEAR | |
| If the recognition code does not match the key code, check that the key code can be registered in the rewrite or add mode of the recognition code registration. | - | |
| Unlock warning switch circuit | UNLOCK WARNING SWITCH CIRCUIT | |
| Door courtesy switch circuit | DOOR COURTESY SWITCH CIRCUIT | |
| Back door courtesy switch circuit | BACK DOOR COURTESY SWITCH CIRCUIT | |
| If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the multiplex network body ECU. | - | |
| The panic alarm function only does not operate. | Perform the operation check. | OPERATION CHECK |
| Door control transmitter | DOOR CONTROL TRANSMITTER | |
| If the symptom still occurs after the above area has been inspected and proved to be normal, replace the multiplex network body ECU. | - | |
| The panic alarm function does not operate (Vehicle horn). | Perform the operation check. | OPERATION CHECK |
| Horn system | PROBLEM SYMPTOMS TABLE | |
| If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the multiplex network body ECU. | - | |
| The panic alarm function does not operate (Security horn). | Perform the operation check. | OPERATION CHECK |
| Theft deterrent system | PROBLEM SYMPTOMS TABLE | |
| If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the multiplex network body ECU. | - | |
| The panic alarm function does not operate (Hazard warning light) | Perform the operation check. | OPERATION CHECK |
| Hazard warning switch | HAZARD WARNING SWITCH | |
| Wire harness | - | |
| If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the multiplex network body ECU. | - | |
| The panic alarm function does not operate (Headlight or taillight). | Perform the operation check. | OPERATION CHECK |
| Lighting system | PROBLEM SYMPTOMS TABLE | |
| If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the multiplex network body ECU. | - | |
| The automatic lock function does not operate. | Perform the operation check. | OPERATION CHECK |
| Unlock warning switch circuit | UNLOCK WARNING SWITCH CIRCUIT | |
| Door courtesy switch circuit | DOOR COURTESY SWITCH CIRCUIT | |
| Back door courtesy switch circuit | BACK DOOR COURTESY SWITCH CIRCUIT | |
| If the symptom still occurs after the above area have been inspected and proved to be normal, replace the multiplex network body ECU. | - | |
| The door ajar warning function only does not operate. | Perform the operation check. | OPERATION CHECK |
| Unlock warning switch circuit | UNLOCK WARNING SWITCH CIRCUIT | |
| Door courtesy switch circuit | DOOR COURTESY SWITCH CIRCUIT | |
| Back door courtesy switch circuit | BACK DOOR COURTESY SWITCH CIRCUIT | |
| If the symptom still occurs after the above area have been inspected and proved to be normal, replace the multiplex network body ECU. | - | |
| The illuminated entry function only does not operate. | Perform the operation check. | OPERATION CHECK |
| Lighting system | PROBLEM SYMPTOMS TABLE | |
| If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the multiplex network body ECU. | - | |
| The answer back function does not operate (Wireless door lock buzzer). | Perform the operation check. | OPERATION CHECK |
| Wireless door lock buzzer circuit | WIRELESS DOOR LOCK BUZZER CIRCUIT | |
| If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the multiplex network body ECU. | - | |
| The answer back function does not operate (Hazard warning light) | Perform the operation check. | OPERATION CHECK |
| Hazard warning switch | HAZARD WARNING SWITCH | |
| Wire harness | - | |
| If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the multiplex network body ECU. | - | |
| The wireless power back door opener function only does not operate. * | Unlock warning switch circuit | UNLOCK WARNING SWITCH CIRCUIT |
| Back door courtesy switch circuit | BACK DOOR COURTESY SWITCH CIRCUIT | |
| If the symptoms still occur after the above circuits are inspected and proved to be normal, replace the main body ECU RH (cowl side J/B RH). | - | |
| HINT: *: with power back door |
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