Inspecting No-Load Minimum And Maximum Speeds; On-Vehicle Inspection And Adjustment - Mitsubishi 6M70 Workshop Manual

ON-VEHICLE INSPECTION AND ADJUSTMENT

1. Inspecting No-load Minimum and Maximum Speeds

Service standards
Location
– No-load minimum speed (idling speed)
– No-load maximum speed
13-58
Maintenance item
1.1 Work before inspection
• Before starting the inspection and adjustment, carry out the fol-
• Put the transmission in neutral.
• Turn the steering wheel in neutral position.
• Turn off all lamps and accessories.
• Attach a Multi-Use Tester.
• Warm up the engine until the engine coolant temperature is ap-
1.2 No-load minimum speed
[Inspection]
• With the accelerator pedal released, measure the engine speed.
• If the measurement deviates from the standard value, check for
• If the cable and link are found to be normal, check for the accel-
1.3 No-load maximum speed
[Inspection]
• Measure the engine speed with the accelerator pedal pressed
• If the measurement deviates from the standard value, check for
• If the cable and link are found to be normal, check for the accel-
[Adjustment]
• If the measurement deviates from the standard value, adjust the
• If it cannot be adjusted within the standard value by using the
• If the cable and link are found to be normal, check for the accel-
• After the adjustment, make sure that the accelerator pedal
Standard value
450 to 500 rpm
2330 to 2370 rpm
lowing preparatory steps.
proximately 80 to 95°C.
(Verify from Service Data "2E: Water Temperature")
an installed condition of the accelerator control cable and accel-
erator link. (See "ENGINE CONTROL".)
*a
erator pedal switch , accelerator pedal position sensor
*b
ply pump and engine electronic control unit
(*a: See "ENGINE CONTROL", *b: Contact Bosch Service Sta-
tion for repair.)
against the stopper bolt.
an installed condition of the accelerator control cable and accel-
erator link. (See "ENGINE CONTROL".)
*a
erator pedal switch , accelerator pedal position sensor
*b
ply pump and engine electronic control unit
(*a: See "ENGINE CONTROL", *b: Contact Bosch Service Sta-
tion for repair.)
stopper bolt to change the accelerator pedal travel until the opti-
mum engine speed is reached with the pedal pressed.
stopper bolt, check for an installed condition of the accelerator
control cable and accelerator link. (See "ENGINE CONTROL".)
*a
erator pedal switch , accelerator pedal position sensor
*b
ply pump and engine electronic control unit
(*a: See "ENGINE CONTROL", *b: Contact Bosch Service Sta-
tion for repair.)
moves smoothly by firmly pressing the pedal 10 to 15 times until
it contacts the stopper bolt.
Limit Remedy
– Inspect
– Inspect
*a
, sup-
*b
.
*a
, sup-
*b
.
*a
, sup-
*b
.