Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: FAIL-SAFE CHART (2008 Sequoia)
FAIL-SAFE CHART
Speedometer
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
Vehicle speed pulse is interrupted
Controls input signals as 0 km/h (0 mph)
Normal data is received
Vehicle speed signal is interrupted for 0.12 seconds
Controls input signals as 0 km/h (0 mph)
Normal data is received
ODO/TRIP Meter
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, vehicle speed pulse signal integration value is interrupted for 0.12 seconds
Data received most recently remains displayed
Normal data is received
Tachometer
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
Engine revolution signal is interrupted for 0.12 seconds
Controls input signals as 0 rpm
Normal data is received
Engine Coolant Temperature Gauge
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, engine coolant temperature data is interrupted for 3.1 seconds
Gauge needle indicates below "C"
Normal data is received
Fuel Signal (Gauge Signal)
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, sender signal is interrupted for 60 seconds and malfunction signal is received from one of gauges for 10 to 20 seconds
Needle indicates "E", and warning light comes on
Ignition switch is turned from OFF to ON and normal data is received
Voltage Meter
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
EEPROM cannot determine constant value due to EEPROM reading malfunction or other malfunction
Default control
Normal data is received
Oil Pressure Receiver Gauge
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
EEPROM cannot determine constant value due to EEPROM reading malfunction or other malfunction
Gauge needle does not move
Normal data is received
A/T Oil Temperature Receiver Gauge*1
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, A/T oil temperature data is interrupted for 3.1 seconds
Gauge needle indicates below "C"
Normal data is received
A/T Shift Position Indicator
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
"P to D" data is interrupted
All data cannot be displayed: Shift position indicator goes off
Normal data is received
Sequential Shift Position Indicator
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
Gear position signal is interrupted
Data received most recently remains displayed (when data is interrupted for 3.1 seconds, shift position indicator goes off)
Normal data is received
Sequential mode indicator and sequential mode enable signals are interrupted
Data received most recently remains displayed (when data is interrupted for 3.1 seconds, shift position indicator goes off)
Normal data is received
BEAM Indicator Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
Headlight HI on instruction signal is interrupted for 10 seconds during CAN bus wake-up mode
Ignition switch is ON: BEAM indicator light condition is maintained
Ignition switch is off: BEAM indicator light is off
Normal data is received
HEAD Indicator Light*2
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
Headlight LO on request signal is interrupted for 10 seconds during CAN bus wake-up mode
Ignition switch is ON : HEAD indicator light condition is maintained
Ignition switch is off: HEAD indicator light is off
Normal data is received
TAIL Indicator Light*3
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
Taillight on request signal is interrupted for 10 seconds during CAN bus wake-up mode
Ignition switch is ON: TAIL indicator light condition is maintained
Ignition switch is off: TAIL indicator light is off
Normal data is received
ABS Warning Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, ABS warning light signal is interrupted for 1 second
ABS warning light remains on until ignition switch off
Normal data is received
Brake Warning Light/Red (Malfunction)
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, brake warning light signal is interrupted for 1 second
Brake warning light condition is maintained until ignition switch off
Normal data is received
Parking brake switch signal is interrupted for 10 seconds during CAN bus wake-up mode
Ignition switch is ON: Brake warning light condition is maintained
Ignition switch is off: Brake warning light is off
Normal data is received
Height Control Indicator Light*4
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
Height control indicator light signal is interrupted
Height control indicator light condition is maintained until ignition switch off
Normal data is received
4HI Indicator Light*5
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, frame (including B IND4WD bit) is interrupted for 3 seconds
Display condition is maintained until ignition switch off
Normal data is received
4LO Indicator Light*5
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, frame (including B INDL4 bit) is interrupted for 3 seconds
Display condition is maintained until ignition switch off
Normal data is received
CENTER DIFF. Indicator Light*5
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, frame (including B INDDL bit) is interrupted for 3 seconds
Display condition is maintained until ignition switch off
Normal data is received
AUTO LSD Indicator Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, frame (including B ALSD bit) is interrupted
Display condition is maintained until ignition switch off
Normal data is received
SRS Warning Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, SRS warning light on/blink request signal (9.0 V or higher) is interrupted for 10 seconds, or SRS warning light on/blink request signal (below 9 V) is interrupted for 60 seconds
SRS warning light remains on until ignition switch off
Normal data is received
A/T OIL TEMP Warning Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, A/T OIL TEMP warning signals are interrupted
Display condition is maintained until ignition switch off
Normal data is received
CHARGE Warning Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, CHARGE warning signals are interrupted
Display condition is maintained until ignition switch off
Normal data is received
Driver Side Seat Belt Warning Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
Driver side seat belt buckle switch signal is interrupted for 10 seconds during CAN bus wake-up mode
Ignition switch is ON: Driver seat belt warning light condition is maintained
Ignition switch is off: Driver seat belt warning light is off
Normal data is received
DOOR Indicator Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
Driver side courtesy switch, front passenger side courtesy switch, rear door LH courtesy switch, rear door RH courtesy switch and back door courtesy switch signals are interrupted for 10 seconds during CAN bus wake-up mode
Ignition switch is ON: DOOR indicator light condition is maintained
Ignition switch is off: DOOR indicator light is off
Normal data is received
SLIP Indicator Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
Frame data (including SLIP indicator on/blink request signal) is interrupted
SLIP indicator light condition is maintained until ignition switch off
Normal data is received
VSC OFF Indicator Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, VSC OFF indicator light signal is interrupted
Display condition is maintained until ignition switch off
Normal data is received
Tire Pressure Warning Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, tire pressure warning signals are interrupted
Ignition switch is ON: Tire pressure warning light blinks for 60 to 64 seconds
Ignition switch is off: Tire pressure warning light is off
Normal data is received
WASHER Warning Light*6
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
While ignition switch is ON, washer fluid level low signals are interrupted
Display condition is maintained until ignition switch off
Normal data is received
CRUISE Main Indicator Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
CRUISE main indicator light signal is interrupted
Display condition is maintained until ignition switch off
Normal data is received
TOW HAUL Indicator Light*7
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
TOW HAUL Indicator Light signal is interrupted
Display condition is maintained until ignition switch off
Normal data is received
MAIN REQD Indicator Light*8
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
When the odometer reading upon reset cannot be determined
Control assuming odometer display of 0 upon reset
Normal data is received
When the current odometer reading cannot be determined
The indicator is turned on
Normal data is received
EPS Warning Light
Condition
Fail-safe Operation
Fail-safe Deactivation Condition
EPS warning Light signal is interrupted
Display condition is maintained until ignition switch off