Push Button Start Function
PROBLEM SYMPTOMS TABLE - PUSH BUTTON START FUNCTION
| Symptom | Suspected Area | See |
|---|---|---|
| Engine does not start. | 1. Check for DTCs in the push button start. | DIAGNOSTIC TROUBLE CODE CHART |
| 2. Check for DTCs in the smart key system. | DIAGNOSTIC TROUBLE CODE CHART | |
| 3. Check that the engine switch is turned on. | - | |
| 4. Check cranking operation. (If cranking operation is possible, see "Engine does not start due to the engine immobilizer" in this table.) | - | |
| 5. Check "SHIFT P SIG" in the DATA LIST of the power source control ECU and confirm that the shift signal is normal. | DTC CHECK / CLEAR | |
| 6. Check whether the steering wheel is locked or unlocked. (If it is locked, see "Steering wheel cannot be unlocked" in the steering lock function table.) | - | |
| 7. Check the output signal from the ST SW of the certification ECU (DTC B2275). | DTC B2275 STSW MONITOR MALFUNCTION | |
| 8. Replace the power source control ECU. | - | |
| Engine does not start due to the engine immobilizer. | 1. Check that the "L CODE MACH" item in the DATA LIST of the certification ECU displays OK. (If it displays NG, replace the steering lock ECU or ID code box.) | DTC CHECK / CLEAR |
| 2. Check that the "ENG START REQ" item in the DATA LIST of the certification ECU displays YES. (If it displays NO, replace the certification ECU.) | DTC CHECK / CLEAR | |
| 3. Check that the "S CODE MACH" item in the DATA LIST of the certification ECU displays OK. (If it displays NG, replace the certification ECU or ID code box.) | DTC CHECK / CLEAR | |
| 4. Replace the ID code box. | - | |
| Engine does not start due to the EFI system. | 1. Terminals of ACCR and STAR are turned on when starting the engine (DTC B2276). | DTC B2276 ACCR SIGNAL CIRCUIT MALFUNCTION |
| 2. ST relay | STARTER RELAY | |
| 3. Starter | INSPECTION | |
| 4. Replace the ECM. | - | |
| Power does not turn on (neither ACC nor IG is possible). | 1. Check for DTCs in the push button start. | DIAGNOSTIC TROUBLE CODE CHART |
| 2. Place the key on the drivers seat, move the shift lever to the P position, and depress the brake pedal. Check that the engine switch indicator comes on in green. (If the indicator does not come on or comes on in amber, see "ID code matching inside the cabin cannot be performed" in this table.) | - | |
| 3. Check the IG1 relay (DTC B2272). | DTC B2272 IGNITION 1 MONITOR MALFUNCTION | |
| 4. Check the IG2 relay (DTC B2273). | DTC B2273 IGNITION 2 MONITOR MALFUNCTION | |
| 5. Check the ACC relay (DTC B2274). | DTC B2274 ACC MONITOR MALFUNCTION | |
| 6. Check the input terminal of the engine switch (DTC B2278). | DTC B2278 ENGINE SWITCH CIRCUIT MALFUNCTION | |
| 7. Ground circuit (Power source control ECU - body ground) | PROBLEM SYMPTOMS TABLE | |
| 8. Replace the power source control ECU. | - | |
| Power is not turned on (only ACC is not turned on). | 1. Check for DTCs in the push button start. | DIAGNOSTIC TROUBLE CODE CHART |
| 2. Check the ACC relay (DTC B2274). | DTC B2274 ACC MONITOR MALFUNCTION | |
| 3. Replace the power source control ECU. | - | |
| Power is not turned on (only IG is not turned on). | 1. Check for DTCs in the push button start. | DIAGNOSTIC TROUBLE CODE CHART |
| 2. Check the IG1 relay (DTC B2272). | DTC B2272 IGNITION 1 MONITOR MALFUNCTION | |
| 3. Check the IG2 relay (DTC B2273). | DTC B2273 IGNITION 2 MONITOR MALFUNCTION | |
| 4. Replace the power source control ECU. | - |