13-48
P1463: Auxiliary Brake M/V 1 (warning lamp flashes: 93)
P1562: Sensor Supply Voltage 1 (warning lamp flashes: 81)
P1563: Sensor Supply Voltage 1 (warning lamp flashes: 81)
P1567: Sensor Supply Voltage 2 (warning lamp flashes: 81)
Generation condition
Powertard solenoid valve circuit shorted to battery (driving terminal is at high lev-
el when turned ON) as detected for 1 second.
Recoverability
System recovers when Powertard solenoid valve circuit remains normal (driving
terminal is at low level when turned ON) for 1 second.
Control effected by electronic control unit
• Operation of auxiliary brake is stopped.
• Auto cruise control is stopped.
Inspection
Service data 80: Powertard M/V
Actuator test AC: Powertard M/V
Electronic control unit connector : Powertard solenoid valve
Electrical equipment #571: Powertard solenoid valve
Electric circuit diagram Powertard solenoid valve system
Generation condition
Circuit voltage (sensor supply voltage 1) in electronic control unit remains abnor-
mally low for 0.5 second.
Recoverability
System recovers when circuit voltage (sensor supply voltage 1) in electronic con-
trol unit becomes normal.
Control effected by electronic control unit No specific control is effected. Failure occurs only to circuit abnormality.
Inspection
Service data 24: Accel Pedal Sensor Voltage 1, 28: Idle Volume Voltage
Electronic control unit connector
: Accelerator pedal position sensor 1,
: Idling speed adjustment potentiometer
Electrical equipment
#157: Idling speed adjustment potentiometer, #324: Accelerator pedal position
sensor 1
Electric circuit diagram
Accelerator pedal position sensor 1 and idling speed adjustment potentiometer
systems
Generation condition
Circuit voltage (sensor supply voltage 1) in electronic control unit remains abnor-
mally high for 0.5 second.
Recoverability
System recovers when circuit voltage (sensor supply voltage 1) in electronic con-
trol unit becomes normal.
Control effected by electronic control unit No specific control is effected. Failure occurs only to circuit abnormality.
Inspection
Service data 24: Accel Pedal Sensor Voltage 1, 28: Idle Volume Voltage
Electronic control unit connector
: Accelerator pedal position sensor 1,
: Idling speed adjustment potentiometer
Electrical equipment
#157: Idling speed adjustment potentiometer, #324: Accelerator pedal position
sensor 1
Electric circuit diagram
Accelerator pedal position sensor 1 and idling speed adjustment potentiometer
systems
Generation condition
Circuit voltage (sensor supply voltage 2) in electronic control unit remains abnor-
mally low for 0.5 second.
Recoverability
System recovers when circuit voltage (sensor supply voltage 2) in electronic con-
trol unit becomes normal.
Control effected by electronic control unit No specific control is effected. Failure occurs only to circuit abnormality.
Inspection
Service data 25: Accel Pedal Sensor Voltage 2, 26: Boost Pressure
Electronic control unit connector : Accelerator pedal position sensor 2
Electrical equipment #318: Boost pressure sensor, #324: Accelerator pedal position sensor 2
Electric circuit diagram Boost pressure sensor and accelerator pedal position sensor 2 systems
15
03
10
03
10
03
TROUBLESHOOTING <DIAGNOSIS USING Multi-Use Tester>
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