Mitsubishi Pajero Pinin. Manual - part 180

 

  Index      Mitsubishi     Mitsubishi Pajero Pinin - service repair manual 2001 year

 

Search            

 

 

 

 

 

 

 

  

 

Content   ..  178  179  180  181   ..

 

 

Mitsubishi Pajero Pinin. Manual - part 180

 

 

AUTOMATIC TRANSMISSION – 

Troubleshooting <A/T>

23-30

A/T-ECU TERMINAL VOLTAGE REFERENCE CHART

Terminal
No.

Inspection item

Inspection conditions

Standard value

1

Solenoid valve No. 1

When in 1st or 2nd gear

System voltage

When in 3rd or 4th gear

0 V

2

Solenoid valve No. 2

When in 2nd or 3rd gear

System voltage

When in 1st or 4th gear

0 V

3

Wide open throttle switch

Accelerator pedal: Released

4.5 – 5.5 V

Accelerator pedal: Depressed

Less than 0.4 V

4

Output shaft speed sensor
earth

–

–

5

Stop lamp switch

Brake pedal: Depressed

System voltage

Brake pedal: Released

0 V

6

Free-wheeling engage
switch

Transfer lever position: Other than 4WD

System voltage

switch

Transfer lever position: 4WD

0 V

8

Inhibitor switch (L)

Selector lever position: L

System voltage

Selector lever position: Other than L

0 V

9

Back-up power supply

Ignition switch: OFF

System voltage

10

Solenoid valve No. 3

When lockup clutch is operating

System voltage

When lockup clutch is not operating

0 V

11

Diagnosis control terminal

–

–

12

A/T fluid temperature
sensor earth

–

–

13

Output shaft speed sensor

Vehicle: Stopped

Approx. 2.5 V

Vehicle: Driving

Other than 2.5 V

14

Dual-pressure switch

A/C switch: OFF

0 V

A/C switch: ON

System voltage

15

Input shaft speed sensor
earth

–

–

16

Input shaft speed sensor

Ignition switch: OFF

0 V

Ignition switch: ON

2.5 V

AUTOMATIC TRANSMISSION – 

Troubleshooting <A/T>

23-31

Terminal
No.

Standard value

Inspection conditions

Inspection item

19

Communication with input
signals from engine-ECU

Engine: Idling
Selector lever position: D

Other than 0 V

21

Communication with output
signals to engine-ECU

Engine: Idling
Selector lever position: D

Other than 0 V

23

Inhibitor switch (2)

Selector lever position: 2

System voltage

Selector lever position: Other than 2

0 V

24

Power supply

Ignition switch: OFF

0 V

Ignition switch: ON

System voltage

25

Earth

Engine: Idling

0 V

27

Vehicle speed sensor

Vehicle: Slowly moving forward

Alternates between
0

↔

Approx. 5 V

28

A/T fluid temperature
sensor

ATF temperature: 120

_

C

Approx. 0.3 V

sensor

ATF temperature: 150

_

C

Approx. 0.15 V

29

Overdrive switch

Overdrive switch: ON

System voltage

Overdrive switch: OFF

0 V

30

Accelerator pedal position
sensor (throttle opening

Accelerator pedal: Released

Approx. 1 V

sensor (throttle opening
voltage)

Accelerator pedal: Fully depressed

Approx. 4 V

31

Accelerator pedal position
sensor (power supply

Ignition switch: ON

Approx. 5 V

sensor (power supply
voltage)

Ignition switch: OFF

0 V

32

Diagnostic output terminal

–

–

33

N range lamp

Ignition switch: ON

System voltage

Ignition switch: OFF

0 V

34

Inhibitor switch (N)

Selector lever position: N

System voltage

Selector lever position: Other than N

0 V

AUTOMATIC TRANSMISSION – 

Troubleshooting <A/T Key Interlock and Shift
Lock Mechanisms>

23-32

TROUBLESHOOTING <A/T KEY INTERLOCK AND SHIFT LOCK
MECHANISMS>

INSPECTION CHART FOR TROUBLE SYMPTOMS

Problem

Inspection 
Procedure No.

Reference page

Selector lever can be moved from P to R without depressing brake pedal
when ignition key is at positions other than LOCK (OFF).

1

23-32

Selector lever cannot be moved from P to R with brake pedal depressed
when ignition key is at positions other than LOCK (OFF).

2

23-32

Selector lever can be moved from P to R with brake pedal depressed when
ignition key is at LOCK (OFF) position.

3

23-33

Selector lever cannot be moved from P to R smoothly.

4

23-33

Selector lever cannot be moved from R to P.

5

23-33

Ignition key cannot be turned to LOCK (OFF) position when selector lever
is at P position.

6

23-33

Ignition key can be turned to LOCK (OFF) position when selector lever is at
positions other than P.

7

23-33

INSPECTION CHART FOR TROUBLE SYMPTOMS

INSPECTION PROCEDURE 1

Selector lever can be moved from P to R without
depressing brake pedal when ignition key is at positions
other than LOCK (OFF).

Probable cause

Lock cam or shift lock cable may be defective.

D

Malfunction of lock cam

D

Malfunction of shift lock cable

Check items described in the column “Probable cause”.

INSPECTION PROCEDURE 2

Selector lever cannot be moved from P to R with brake
pedal depressed when ignition key is at positions other
than LOCK (OFF).

Probable cause

Selector lever assembly, shift lock cable, key interlock cable, transmission control
cable or lock cam may be defective.

D

Malfunction of selector lever assembly

D

Malfunction of shift lock cable

D

Malfunction of key interlock cable

D

Malfunction of transmission control cable

D

Malfunction of lock cam

Check items described in the column “Probable cause”.

AUTOMATIC TRANSMISSION – 

Troubleshooting <A/T Key Interlock and Shift
Lock Mechanisms>

23-33

INSPECTION PROCEDURE 3

Selector lever can be moved from P to R with brake pedal
depressed when ignition key is at LOCK (OFF) position.

Probable cause

Lock cam or key interlock cable may be defective.

D

Malfunction of lock cam

D

Malfunction of key interlock cable

Check items described in the column “Probable cause”.

INSPECTION PROCEDURE 4

Selector lever cannot be moved from P to R smoothly.

Probable cause

Key interlock cable, shift lock cable, lock cam, or selector lever assembly may be
defective.

D

Malfunction of key interlock cable

D

Malfunction of shift lock cable

D

Malfunction of lock cam

D

Malfunction of selector lever assembly

Check items described in the column “Probable cause”.

INSPECTION PROCEDURE 5

Selector lever cannot be moved from R to P.

Probable cause

Selector lever assembly or transmission control cable may be defective.

D

Malfunction of selector lever assembly

D

Malfunction of transmission control cable

Check items described in the column “Probable cause”.

INSPECTION PROCEDURE 6

Ignition key cannot be turned to LOCK (OFF) position
when selector lever is at P position.

Probable cause

Lock cam, key interlock cable or key cylinder slider may be defective.

D

Malfunction of lock cam

D

Malfunction of key interlock cable

D

Malfunction of key cylinder slider

Check items described in the column “Probable cause”.

INSPECTION PROCEDURE 7

Ignition key can be turned to LOCK (OFF) position when
selector lever is at positions other than P.

Probable cause

Lock cam, key cylinder cover or key interlock cable may be defective.

D

Malfunction of lock cam

D

Malfunction of key cylinder cover

D

Malfunction of key interlock cable

Check items described in the column “Probable cause”.

 

 

 

 

 

 

 

Content   ..  178  179  180  181   ..