13-88
#001 Inspection of combination switch
DD15B connector connection table
• For other inspections than shown above, see Gr54.
• If there is any abnormality, replace the switch.
#029 Inspection of accelerator pedal switch
• If there is any abnormality, replace the switch.
#031 Inspection of clutch switch
• 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.
• If any measurement is out of specification, replace the idling
speed adjustment potentiometer.
Switch position Terminals with continuity
Powertard
switch
OFF –
1st step 6 – 11
2nd step 6 – 11, 3 – 9
Switch position Terminals with continuity
OFF –
ON 1 – 2
Switch position Terminals with continuity
OFF –
ON 1 – 2
Standard value
Knob position Output voltage
AUTO (0°) 4.0 ± 0.1 V
SLOW (30°) 3.0 ± 0.2 V
FAST (300°) 1.0 ± 0.1 V
INS
PECTION OF MITSUBISHI 6M70 ELECTRICAL PARTS