If the problem occurs in certain locations or times of day, the possibility of wave interference is high.
If a malfunction occurred after optional components were installed by the dealer, check if there is wave interference from the components.
| Symptom | Suspected Area | Link |
|---|---|---|
| Power source mode does not change to on (IG) and on (ACC) | Entry and Start System (for Entry Function) | 201906,999999,_58,_078378,_0397001,RM100000001IM4Q,
|
| Affected by Wave Interference | ||
| Transmitter Battery | ||
| Electrical Key Transmitter Sub-assembly | ||
| No. 1 Indoor Electrical Key Antenna Assembly (Front Floor) | ||
| No. 1 Indoor Electrical Key Antenna Assembly (Center Front Floor) | ||
| No. 1 Indoor Electrical Key Antenna Assembly (Center Rear Floor) | ||
| No. 1 Indoor Electrical Key Antenna Assembly (Rear LH Floor) | ||
| No. 1 Indoor Electrical Key Antenna Assembly (Rear RH Floor) | ||
| Engine Switch | ||
| Harness or Connector | ||
| Instrument Panel Junction Block Assembly | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Power source mode does not change to on (ACC) | Harness or Connector | 201906,999999,_58,_078378,_0397001,RM100000001IM4S,
|
| Relay
·
ACC Relay ·
ACC NO. 2 Relay |
||
| Instrument Panel Junction Block Assembly | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Power source mode does not change to on (IG) | Harness or Connector | 201906,999999,_58,_078378,_0397001,RM100000001IM4R,
|
| Relay
·
IG1 NO.1 Relay ·
IG1 NO.2 Relay ·
IG2 NO.2 Relay |
||
| Instrument Panel Junction Block Assembly | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Engine does not start | SFI System*1 | 201906,202310,_58,_078378,_0397001,RM100000001IM4P,
|
| ECD System*2 | ||
| Immobiliser Function | ||
| Steering Lock Function | ||
| Harness or Connector | ||
| Park/Neutral Position Switch Assembly | ||
| Shift Lock Control Unit Assembly | ||
| Stop Light Switch Assembly | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| New key cannot be registered | Lin Communication System | 201906,202310,_58,_078378,_0397001,RM100000001IM4T,
|
| Meter / Gauge System | ||
| Reregistration | ||
| Electrical Key Transmitter Sub-assembly | ||
| Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly) | ||
| ID Code Box (Immobiliser Code ECU) | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Additional key cannot be registered | Steering Lock Function | 201906,202310,_58,_078378,_0397001,RM100000001IM4U,
|
| Electrical Key Transmitter Sub-assembly | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| New key registration warning message is not displayed | Lighting System | 201906,999999,_58,_078378,_0397001,RM100000001IM4V,
|
| Meter / Gauge System | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Unable to unlock steering wheel (engine cannot start) | Harness or Connector | 201906,202310,_58,_078378,_0397001,RM100000001IM4Z,
|
| Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly) | ||
| ID Code Box (Immobiliser Code ECU) | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Steering lock does not lock | Lighting System | 201906,202310,_58,_078378,_0397001,RM100000001IM4W,
|
| Harness or Connector | ||
| Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly) | ||
| ID Code Box (Immobiliser Code ECU) | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Security indicator light does not blink | Harness or Connector | 201906,202107,_58,_078378,_0397001,RM100000001IM4X,202107,999999,_58,_078378,_0397001,RM100000001XIU1,
|
| Security Indicator Light (Combination Meter Assembly) | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Immobiliser system does not operate properly | SFI System*1 | 201906,202006,_58,_078378,_0397001,RM100000001IM4Y,202006,202107,_58,_078378,_0397001,RM100000001PC1U,202107,202208,_58,_078378,_0397001,RM100000001XIU2,202208,999999,_58,_078378,_0397001,RM10000000256YW,
|
| ECD System*2 | ||
| Register ECU Communication ID | ||
| Harness or Connector | ||
| ID Code Box (Immobiliser Code ECU) | ||
| ECM |
*1: for 7GR-FKS
*2: for 1GD-FTV