Electrical Parts Inspection - Mitsubishi 6M70 Workshop Manual

INSPECTION OF MITSUBISHI 6M70 ELECTRICAL PARTS
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#001 Inspection of combination switch
DD15B connector connection table
Switch position
Powertard
1st step
switch
2nd step
• For other inspections than shown above, see Gr54.
• If there is any abnormality, replace the switch.
#029 Inspection of accelerator pedal switch
Switch position
OFF
ON
• If there is any abnormality, replace the switch.
#031 Inspection of clutch switch
Switch position
OFF
ON
• If there is any abnormality, replace the switch.
#157 Inspection of idling speed adjustment potentiometer
• Apply 5 volts DC to terminals 1 and 2 of the idling speed adjust-
ment potentiometer.
• Turn the knob fully counterclockwise. Then, measure the output
voltage across terminals 2 and 3 (see the diagrams on the left)
while slowly turning the knob clockwise.
Standard value
• If any measurement is out of specification, replace the idling
speed adjustment potentiometer.
Terminals with continuity
OFF
6 – 11
6 – 11, 3 – 9
Terminals with continuity
1 – 2
Terminals with continuity
1 – 2
Knob position
AUTO (0°)
SLOW (30°)
FAST (300°)
–
–
–
Output voltage
4.0 ± 0.1 V
3.0 ± 0.2 V
1.0 ± 0.1 V