Mitsubishi 6M70 - Accel Pedal Check (Plausibility); Accel Pedal Sensor 1 Troubleshooting; Water Temp SNSR Troubleshooting

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P0117: Water Temp SNSR (Low) (warning lamp flashes: 21)
P0118: Water Temp SNSR (High) (warning lamp flashes: 21)
P0121: Accel Pedal Check (Plausibility) (warning lamp flashes: 58)
P0122: Accel Pedal Sensor 1 (warning lamp flashes: 24)
Generation condition Water temperature sensor voltage remains less than 0.2 V for 3 seconds.
Recoverability
System recovers when water temperature sensor voltage remains 0.2 V or more
for 1 second.
Control effected by electronic control unit
• Control is effected using backup value (at engine startup: –20°C; when engine
is running: 80°C).
• Exhaust gas recirculation control is stopped.
Inspection
Service data 2E: Water Temperature
Electronic control unit connector : Water temperature sensor
Electrical equipment #262: Water temperature sensor
Electric circuit diagram Water temperature sensor system
Generation condition Water temperature sensor voltage remains higher than 4.85 V for 3 seconds.
Recoverability
System recovers when water temperature sensor voltage remains 4.85 V or less
for 1 second.
Control effected by electronic control unit
• Control is effected using backup value (at engine startup: –20°C; when engine
is running: 80°C).
• Exhaust gas recirculation control is stopped.
Inspection
Service data 2E: Water Temperature
Electronic control unit connector : Water temperature sensor
Electrical equipment #262: Water temperature sensor
Electric circuit diagram Water temperature sensor system
Generation condition
The difference in output voltage between accelerator pedal position sensors 1
and 2 remains 70% or more for 6 seconds when the sensors are normal.
Recoverability
System recovers if difference in output voltage between accelerator pedal posi-
tion sensors 1 and 2 remains less than 70% for 3 seconds when the sensors are
normal.
Control effected by electronic control unit – (Low output)
Inspection
Service data
22: Accel Pedal Position (unfiltered), 23: Accel Pedal Position (filtered)
24: Accel Pedal Sensor Voltage 1, 25: Accel Pedal Sensor Voltage 2
Electronic control unit connector : Accelerator pedal position sensor
Electrical equipment #324: Accelerator pedal position sensor
Electric circuit diagram Accelerator pedal position sensor system
Generation condition Accelerator pedal position sensor 1 voltage remains less than 0.5 V for 1 second.
Recoverability
System recovers when accelerator pedal position sensor 1 voltage remains 0.5 V
or more for 1 second.
Control effected by electronic control unit
• If accelerator pedal position sensor 1 alone is faulty
Control is effected using accelerator pedal position sensor 2.
• If both accelerator pedal position sensors 1 and 2 are faulty
• Exhaust gas recirculation control is stopped.
• Auto cruise control is stopped.
• Turbocharger control is stopped.
• Control is effected using backup value (when accelerator pedal switch is
ON: accelerator pedal is not pressed (0%); when the switch is OFF: the
pedal is pressed 30%).
Inspection
Service data
22: Accel Pedal Position (unfiltered), 23: Accel Pedal Position (filtered)
24: Accel Pedal Sensor Voltage 1
Electronic control unit connector : Accelerator pedal position sensor
Electrical equipment #324: Accelerator pedal position sensor
Electric circuit diagram Accelerator pedal position sensor 1 system
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