Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSCION2009XD AUTOMATICREPAIR AND DIAGNOSISELECTRICALGAUGESMETERMETER / GAUGE SYSTEMFAIL-SAFE CHART
2009 Scion xD Automatic
Fail-Safe Chart
2009 Scion xD AutomaticSECTION Fail-Safe Chart
Speedometer gauge:
FAIL-SAFE CHART
| Condition | Response | Recovery |
|---|---|---|
| Malfunction in vehicle speed signal (SI, SP1) | Needle does not move | Normal data is received |
Tachometer gauge:
FAIL-SAFE CHART - TACHOMETER GAUGE
| Condition | Response | Recovery |
|---|---|---|
| Malfunction in engine rpm signal (NE1) | Needle does not move | Normal data is received |
Fuel gauge:
FAIL-SAFE CHART - FUEL GAUGE
| Condition | Response | Recovery |
|---|---|---|
| Vehicle speed signal (SP1) not input. | Controlled as input signal of "0km/h". | Normal data is received |
| Starter signal (ST) not input for 3 1 sec or more | Controlled as starter signal off | Normal data is received |
Shift indicator:
FAIL-SAFE CHART - SHIFT INDICATOR
| Condition | Response | Recovery |
|---|---|---|
| No input of shift position signal | Shift display not illuminated | Normal data is received |
AIRBAG:
FAIL-SAFE CHART - AIRBAG
| Condition | Response | Recovery |
|---|---|---|
| Center airbag sensor signal not input for 10 sec or more while ignition switch is on | Remains illuminated until ignition switch is off | Normal data is received |
DOOR:
FAIL-SAFE CHART - DOOR
| Condition | Response | Recovery |
|---|---|---|
| Courtesy switch signal not input for 10 sec or more while ignition switch is on | Remains illuminated until ignition switch is off | Normal data is received |
DRIVER SIDE SEAT BELT:
FAIL-SAFE CHART - DRIVER SIDE SEAT BELT
| Condition | Response | Recovery |
|---|---|---|
| Driver seat buckle switch signal not input for 10 sec or more while ignition switch is on | Remains illuminated until ignition switch is off | Normal data is received |
BRAKE:
FAIL-SAFE CHART - BRAKE
| Condition | Response | Recovery |
|---|---|---|
| Brake warning light signal not input for 1 sec or more at 9 5 V or more while ignition switch is on | Remains illuminated until ignition switch is off | Normal data is received |
| Parking brake switch signal not input for 10 sec or more while ignition switch is on | Remains illuminated until ignition switch is off | Normal data is received |
CHARGE:
FAIL-SAFE CHART - CHARGE
| Condition | Response | Recovery |
|---|---|---|
| Charge light indicator signal not input while ignition switch is on | Remains illuminated until ignition switch is off | Normal data is received |
EPS:
FAIL-SAFE CHART - EPS
| Condition | Response | Recovery |
|---|---|---|
| EPS warning light signal not input for 1 sec or more at 9.5 V or more while ignition switch is on | Remains illuminated until ignition switch is off | Normal data is received |
ABS:
FAIL-SAFE CHART - ABS
| Condition | Response | Recovery |
|---|---|---|
| ABS warning light signal not input for 1 sec or more at 9 5 V or more while ignition switch is on | Remains illuminated until ignition switch is off | Normal data is received |
SLIP:
FAIL-SAFE CHART - SLIP
| Condition | Response | Recovery |
|---|---|---|
| Slip indicator signal not input | Remains illuminated until ignition switch is off | Normal data is received |
VSC OFF:
FAIL-SAFE CHART - VSC OFF
| Condition | Response | Recovery |
|---|---|---|
| VSC warning light signal not input | Remains illuminated until ignition switch is off | Normal data is received |
CRUISE:
FAIL-SAFE CHART - CRUISE
| Condition | Response | Recovery |
|---|---|---|
| Cruise active signal not input | Remains illuminated until ignition switch is off | Normal data is received |
COOL, HOT:
FAIL-SAFE CHART - COOL, HOT
| Condition | Response | Recovery |
|---|---|---|
| Engine coolant temperature signal not input for 3 1 sec or more while ignition switch is on | HOT indicator remains off until ignition switch is off COOL indicator blinks until ignition switch is off |
Normal data is received |
MAINT REQD:
FAIL-SAFE CHART - MAINT REQD
| Condition | Response | Recovery |
|---|---|---|
| ODO value not displayed when reset is performed | ODO display is "0" | Normal data is received |
| MAINT REQD light illuminates |
TIRE PRESSURE:
FAIL-SAFE CHART - TIRE PRESSURE
| Condition | Response | Recovery |
|---|---|---|
| Tire pressure warning signal are interrupted while ignition switch on | Tire pressure warning light blinks for 60 seconds while ignition switch on | Normal data is received |
| Remains illuminated until ignition switch is off |
OIL PRESSURE:
FAIL-SAFE CHART - OIL PRESSURE
| Condition | Response | Recovery |
|---|---|---|
| Oil pressure switch signal input | Remains illuminated until ignition switch is off | Normal data is received |
CHECK E/G:
FAIL-SAFE CHART - E/G
| Condition | Response | Recovery |
|---|---|---|
| Check engine warning signal input | Remains illuminated until ignition switch is off | Normal data is received |
WASHER:
FAIL-SAFE CHART - WASHER
| Condition | Response | Recovery |
|---|---|---|
| Washer level warning signal input | Remains illuminated until ignition switch is off | Normal data is received |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.