Mitsubishi Montero (2004+). Manual — part 517
IGNITION SWITCH
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CHASSIS ELECTRICAL
54A-37
7. The multi-center display shows whether the ignition key,
which has been inserted in the switch, can be rewritten and
how many ignition keys have ever been registered.
TP LOCK
CHECK
IGNITION KEY:
JUDGMENT OF
IGNITION KEY
UNLOCK
Can be overwritten Correct
LOCK
Can not be
overwritten
Incorrect
AC209776
POWERTRAIN
IMMOBILIZER
Data List Reference T
Data List Reference Table
able
Info.
Info. No.
No.
01
REGD.KEY
3
TP LOCK CHECK
UNLOCK
02
Name
Name
Value
alue
Graph
Graph
Data List
Data List
AB
IGNITION SWITCH
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CHASSIS ELECTRICAL
54A-38
IGNITION SWITCH
REMOVAL AND INSTALLATION
M1543002100519
WARNING
•
Before removal of the air bag module and clock spring, refer to GROUP 52B, SRS Service
Precautions (
) and Air Bag Module and Clock Spring (
•
When removing and installing the steering wheel, do not let it bump against the air bag
module.
Post-installation operation
• Register the ignition key(s) when the immobilizer-ECU is replaced (Refer to
ACX01372
1
2
3
4
5
6
7
8
ACX01568
AD
DIAGNOSIS CONNECTOR
9
AD
IGNITION SWITCH REMOVAL
STEPS
1. STEERING WHEEL (REFER TO
GROUP 37, STEERING WHEEL AND
SHAFT
).
2. INSTRUMENT UNDER COVER
3. COLUMN COVER LOWER
4. COLUMN COVER UPPER
5. COLUMN SWITCH
<<A>>
6. STEERING LOCK CYLINDER
7. IGNITION SWITCH
8. KEY REMINDER SWITCH
IMMOBILIZER-ECU REMOVAL
STEPS
• LOWER CENTER PANEL <LH>
(REFER TO GROUP52A, FLOOR
CONSOLE ASSEMBLY
9. IMMOBILIZER-ECU
IGNITION SWITCH REMOVAL
STEPS (Continued)
IGNITION SWITCH
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CHASSIS ELECTRICAL
54A-39
REMOVAL SERVICE POINT
.
<<A>> STEERING LOCK CYLINDER REMOVAL
1. Insert the key in the steering lock cylinder and turn it to the
"ACC" position.
2. Using a small Phillips head screwdriver, pull the steering
lock cylinder toward you.
INSPECTION
M1543019502708
IGNITION SWITCH LESS CONINUITY CHECK
Disconnect ignition switch connector without removing the igni-
tion switch and steering lock cylinder. Then check the continu-
ity.
KEY REMINDER SWITCH CHECK
Disconnect key reminder switch connector without removing
the ignition switch and steering lock cylinder. Then check the
continuity.
IGNITION KEY RING ANTENNA CHECK
Check for continuity between the key reminder switch connec-
tor terminal 3 and terminal 7.
Standard value: 2 ohms or less
ACX01628AB
LOCK PIN
SWITCH
POSITION
TESTER CONNECTION SPECIFIED
CONNECTION
"LOCK" (OFF) 1
− 2, 1 − 3, 1 − 4, 1 − 5,
1
− 6, 2 − 4, 2 − 5, 2 − 6,
4
− 5, 4 − 6
Open circuit
"ACC"
1
− 6
Less than 2 ohms
"ON"
1
− 2, 1 − 4, 1 − 6, 2 − 4,
2
− 6, 4 − 6
Less than 2 ohms
"START"
1
− 2, 1 − 4, 1 − 5, 2 − 4,
2
− 5, 4 − 5
Less than 2 ohms
ACX00769AB
STATUS OF
IGNITION KEY
TESTER
CONNECTION
SPECIFIED
CONNECTION
Removed
4
− 6
Less than 2 ohms
Inserted
4
− 6
Open circuit
ACX00770 AB
COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
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CHASSIS ELECTRICAL
54A-40
COMBINATION METER ASSEMBLY AND
VEHICLE SPEED SENSOR
COMBINATION METERS ASSEMBLY AND VEHICLE SPEED SENSOR
DIAGNOSIS
INTRODUCTION TO COMBINATION METER DIAGNOSIS
M1543009900992
All vehicles are equipped with an electrical speedom-
eter, tachometer, fuel and coolant temperature
gauges. The individual gauges are not replaceable. If
the gauges do not function correctly, there is most
likely a fault in the electrical system. All inputs, pow-
ers and grounds must be confirmed as correct before
the combination meter can be condemned.
TROUBLESHOOTING STRATEGY
M1543006900528
Use these steps to plan your diagnostic strategy. Fol-
low through with each step to ensure that you have
exhausted all possible methods of finding a combina-
tion meter fault.
1. Gather information from the customer.
2. Verify that the condition described by the
customer exists.
3. Find and repair the malfunction by following the
symptom chart.
4. Verify that the malfunction has been eliminated.
DIAGNOSIS FUNCTION
M1543007000517
HOW TO CONNECT SCAN TOOL (MUT-III)
Required Special Tools:
• MB991958: Scan Tool (MUT-III Sub Assembly)
• MB991824: Vehicle Communication Interface (V.C.I.)
• MB991827: MUT-III USB Cable
• MB991911: MUT-III Main Harness B
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
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