belt MITSUBISHI LANCER EVOLUTION VI 1999 Owner's Guide

MPI – Troubleshooting13-34
INSPECTION PROCEDURE 22
Too high CO and HC concentration when idling
Probable cause
Abnormal air-fuel ratio is suspected.
Malfunction of the air-fuel ratio control system

Deteriorated catalyst
Check trouble symptom.
No
Check the ignition timing.
(Refer to GROUP 11 – Engine Adjustments.)*NGCheck that the crank angle sensor and the timing belt cover are
installed properly.
OK
MUT-II Data list
21 Engine coolant temperature sensor. (Refer to P.13-57.)NGCheck the engine coolant temperature sensor system.
(Refer to P.13-10, INSPECTION PROCEDURE FOR DIAGNOSIS
CODE 21.)
OK
MUT-II Data list
13 Intake air temperature sensor (Refer to P.13-56.)NGCheck the intake air temperature sensor system. (Refer to P.13-9,
INSPECTION PROCEDURE FOR DIAGNOSIS CODE 13.)
OK
MUT-II Data list
25 Barometric pressure sensor (Refer to P.13-58.)NGCheck the barometric pressure sensor system. (Refer to P.13-14,
INSPECTION PROCEDURE FOR DIAGNOSIS CODE 25.)
OK
MUT-II Data list
11 Oxygen sensor
OK:600–1,000 mV when racing suddenlyNGCheck the oxygen sensor system. (Refer to P.13-15, INSPECTION
PROCEDURE FOR DIAGNOSIS CODE 31.)
OK
MUT-II Data list
11 Oxygen sensor
OK:Repeat 0–400 mV and 600–1,000 mV alternately when
idling.OK
NG
Check the fuel pressure. (Refer to P.13-30.)*
OK
NG
Check the following items.

Check the injectors for operation sound.

Check the injectors for fuel leakage.

Check the ignition coil, spark plugs, spark plug cables.

Check the compression pressure.

Check the positive crankcase ventilation system.

Check the evaporative emission control system.
Check the trouble symptom.
NG
Replace the catalytic converter.
Replace the oxygen sensor.
MUT-II Self-Diag code
Are diagnosis codes displayed?Ye sRefer to P.13-8, INSPECTION CHART FOR DIAGNOSIS CODES.
NOTE
*: Refer to Workshop Manual for LANCER EVOLUTION-IV and EVOLUTION-V (Pub. No. S9806CNCP9).

MPI – Troubleshooting13-47
INSPECTION PROCEDURE 37
MUT-II: Inspection of no initial combustion
MUT-II Data list
16 engine-ECU power supply voltage (Refer to P.13-57.)NGCheck the power supply and ignition switch-IG system.
(Refer to P.13-35, INSPECTION PROCEDURE 24.)
OK
Does the camshaft rotate at the engine cranking?
(When oil filler cap is removed.)NoCheck timing belt for breakage.
Ye s
MUT-II Self-Diag code
Are diagnosis codes displayed?Ye sRefer to P.13-8, INSPECTION CHART FOR DIAGNOSIS CODES.
No
MUT-II Data list
22 Crank angle sensor
OK:Cranking speed is displayed.NGCheck the crank angle sensor system.
(Refer to P.13-11, INSPECTION PROCEDURE FOR DIAGNOSIS
CODE 22.)
OK
MUT-II Actuator test
07 Fuel pump (Refer to P.13-61.)NGCheck the fuel pump system.
(Refer to P.13-36, INSPECTION PROCEDURE 25.)
OK
MUT-II Data list
21 Engine coolant temperature sensor (Refer to P.13-57.)NGCheck the engine coolant temperature sensor system.
(Refer to P.13-10, INSPECTION PROCEDURE FOR DIAGNOSIS
CODE 21.)
INSPECTION PROCEDURE 38
Ignition system: Inspection of no initial combustion.
OK
Check the ignition timing when cranking.
OK:Approx. 5BTDCNGCheck that the crank angle sensor and the timing belt cover are
installed properly.
NGCheck the ignition circuit system.
(Refer to P.13-44, INSPECTION PROCEDURE 32.)Check by connecting a timing light to the spark plug cable.
OK:Timing light flashes during cranking.

SRS – Special Tools / Test Equipment52B-5
SPECIAL TOOLS
ToolNumberNameUse
MB991502MUT-II sub
assembly
Reading diagnosis codes

Erasing diagnosis code

Reading trouble period

Reading erase times
MB991613SRS check
harnessChecking the SRS electrical circuitry
MB990803Steering wheel
pullerSteering wheel removal
MB686560SRS air bag
adapter harness A
Deployment of air bag modules and seat
belt with pre-tensioner inside the vehicle

Deployment of air bag module (front
passenger’s side) outside the vehicle
MR203491 or
MB628919SRS air bag
adapter harness BDeployment of air bag module (driver’s side)
outside the vehicle
TEST EQUIPMENT
ToolNameUse
Digital multi-meterChecking the SRS electrical circuitry
Use a multi-meter for which the
maximum test current is 2 mA or less
at the minimum range of resistance
measurement

– Compressor and Tension Pulley HEATER AND MANUAL
AIR CONDITIONER55-23
COMPRESSOR AND TENSION PULLEY
REMOVAL AND INSTALLATION
Pre-removal Operation

Discharging of Refrigerant (Refer to P.55-6.)Post-installation Operation

Drive Belt Tension Adjustment

Charging of Refrigerant (Refer to P.55-6.)
4
2
1 53
Piping connection
O-ring
A/C Compressor oil: SUN PAG 56
59 – 69 Nm
Removal steps
A1. Drive belt
2. Idler pulley
B3. Suction hose and discharge hose
connection
CA4. Compressor
5. Compressor bracket

– Compressor and Tension Pulley HEATER AND MANUAL
AIR CONDITIONER55-24
REMOVAL SERVICE POINTS
ADRIVE BELT REMOVAL
1. Align the hole in the auto-tensioner bracket with that in
the arm and insert a screwdriver into the holes.
2. Remove the drive belt.
BSUCTION HOSE, DISCHARGE HOSE
DISCONNECTION
Plug the disconnected hose and the compressor nipple not
to let foreign matter get into them.
Caution
Seal the hoses completely, otherwise the compressor
oil and receiver will absorb water vapour easily.
CCOMPRESSOR REMOVAL
When doing this work, be careful not to spill the compressor
oil.
Auto-tensioner
Hole in
arm
Hole in
bracket
Screwdriver (+)

C-2
STOP LAMP 51. . . . . . . . . . . . . . . . . . . . . . . . . .
BACK-UP LAMP 52. . . . . . . . . . . . . . . . . . . . . . .
METER AND GAUGE 54. . . . . . . . . . . . . . . . . .
FUEL WARNING LAMP 56. . . . . . . . . . . . . . . .
BRAKE WARNING LAMP 56. . . . . . . . . . . . . .
OIL PRESSURE WARNING LAMP 57. . . . . .
SEAT BELT WARNING LAMP 57. . . . . . . . . .
CENTRAL DOOR LOCKING SYSTEM 58. .
Without Keyless Entry System 58. . . . . . . . . . . .
With Keyless Entry System 60. . . . . . . . . . . . . . .
HEATER AND AIR CONDITIONER 64. . . . . .
FULL-AUTO AIR CONDITIONER 70. . . . . . . .
WINDSHIELD WIPER AND WASHER 78. .
With Intermittent Wiper 78. . . . . . . . . . . . . . . . . . .
REAR WIPER AND WASHER 79. . . . . . . . . .
DEFOGGER AND DOOR MIRROR
HEATER 80. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Without Full-Auto Air Conditioner 80. . . . . . . . . .
With Full-Auto Air Conditioner 82. . . . . . . . . . . . .
RADIO 84. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radio Spare Circuit 84. . . . . . . . . . . . . . . . . . . . . .
4 Speaker, 6 Speaker 86. . . . . . . . . . . . . . . . . . . .
KEY REMINDER BUZZER 89. . . . . . . . . . . . . .
ANTI-SKID BRAKING SYSTEM (ABS) 90. .
SUPPLEMENTAL RESTRAINT SYSTEM
(SRS) 96. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ACTIVE YAW CONTROL SYSTEM (AYC) 98
INTERCOOLER AND RADIATOR WATER
SPRAY SYSTEM 104. . . . . . . . . . . . . . . . . . . . .

– Floor and Roof WIRING HARNESS
CONFIGURATION DIAGRAMS
Connector
symbol
D
C-12
FLOOR AND ROOF
D-01 (20) Receiver

D-02 (2) Seat belt switch
D-03 (2) Front door switch (driver’s side)
D-04 (10) Body harness and fuel harness combina-
tion
D-05 (6) Body harness and rear door harness
(RH) combination
D-06 (18) Body harness and rear harness combina-
tion
D-07 (6) Sunroof switch
D-08 (2) Room lamp D-09 (1) Map lamp
D-10 (18) Sunroof ECU
D-11 (2-GR) Room lamp
D-12 (8) Sunroof motor
D-13 (3-B) Fuel gauge unit (sub)
D-14 (2-B) Rear speed sensor (LH)

D-16 (6) Body harness and rear door harness (LH)
combination
D-17 (2) Front door switch (passenger’s side)
D-18 (6) Fuel gauge unit (main)

CIRCUIT DIAGRAMS –
Oil Pressure Warning Lamp and
Seat Belt Warning LampC-57
OIL PRESSURE WARNING LAMP AND SEAT BELT WARNING LAMP