Problem Symptoms Table
HINT:
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.
STEERING LOCK FUNCTION
| Symptom | Suspected Area | See |
|---|---|---|
| Steering wheel cannot be unlocked (the engine cannot be started). | Check for DTCs in the push button start. | Refer to DTC CHECK / CLEAR |
| Check for DTCs in the smart key system. | Refer to DTC CHECK / CLEAR | |
| Check the output from the IGE terminal of the steering lock ECU. | Refer to Steering Lock Motor Drive Power Circuit | |
| Steering lock ECU power source circuit | Refer to Power Source Circuit | |
| Steering lock ECU. | Refer to TERMINALS OF ECU | |
| Steering wheel cannot be unlocked (no steering unlock command). | Replace the certification ECU. | - |
| Steering wheel cannot be locked. | Check for DTCs in the push button start. | Refer to DTC CHECK / CLEAR |
| Check for DTCs in the smart key system. | Refer to DTC CHECK / CLEAR | |
| Check the output from the IGE terminal of the steering lock ECU. | Refer to Steering Lock Motor Drive Power Circuit | |
| Steering lock ECU power source circuit | Refer to Power Source Circuit | |
| Steering lock ECU. | Refer to TERMINALS OF ECU | |
| Steering wheel cannot be locked (no steering lock command). | Courtesy light switch circuit | Refer to Door Courtesy Switch Circuit |
| Replace the certification ECU. | - |
PUSH BUTTON START FUNCTION
| Symptom | Suspected Area | See |
|---|---|---|
| Engine does not start. | Check for DTCs in the push button start. | Refer to DTC CHECK / CLEAR |
| Check for DTCs in the smart key system. | Refer to DTC CHECK / CLEAR | |
| Check that the engine switch is turned on. | - | |
| Check cranking operation. (If cranking operation is possible, see "Engine does not start due to the engine immobilizer" in this table.) | - | |
| Check whether the steering wheel is locked or unlocked. (If it is locked, see "Steering wheel cannot be unlocked" in STEERING LOCK FUNCTION .) | - | |
| Check the output from the SLP terminal of the steering lock ECU. | Refer to Unlock Position Sensor Signal Circuit | |
| Check the output signal from the STSW of the certification ECU (DTC B2275). | Refer to DTC B2275: STSW Monitor Malfunction | |
| Replace the power source control ECU. | - | |
| Engine does not start due to the engine immobilizer. | Replace the ID code box. | - |