1998 MITSUBISHI LANCER EVOLUTION IV battery

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Page 13 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual ENGINE – Engine Adjustments11-7
4. LASH ADJUSTER REPLACEMENT
Refer to (4) of the preceding paragraph.
5. IGNITION TIMING CHECK
Check that ignition timing is at the standard value.
Standard value: ap

Page 14 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual ENGINE – Engine Adjustments11-8
(5) Set compression gauge to one of the spark plug holes.
(6) Crank the engine with the throttle valve fully open and
measure the compression pressure.
Standard value

Page 50 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual MPI – Troubleshooting13-7
1-3 ERASING DIAGNOSIS CODES
(1) Turn the ignition switch to OFF.
(2) After disconnecting the battery cable from the battery (–) terminal for 10 seconds or more, reconnect

Page 65 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual MPI – Troubleshooting13-22
6. ENGINE-ECU INSPECTION
6-1 TERMINAL VOLTAGES
Engine ECU connector
Terminal
No.Check itemCheck condition (Engine condition)Normal condition
1No.1 injectorWhile engine is

Page 66 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual MPI – Troubleshooting13-23
Terminal
No.Normal condition Check condition (Engine condition) Check item
21Fan motor relay (LOW)Fan not operating (coolant temperature: 90C or
below)Battery voltage
Fan

Page 67 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual MPI – Troubleshooting13-24
Terminal
No.Normal condition Check condition (Engine condition) Check item
72Intake air temperature
sensorIgnition switch: ONWhen intake air tempera-
ture is 0C3.2 – 3.

Page 76 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual MPI – On-vehicle Service13-33
(2) Check that there is continuity (11 to 18 Ω at 20C) across
terminal no. 1 (special tool red clip) and terminal no. 3
(special tool blue clip) of the oxygen sensor

Page 77 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual MPI – On-vehicle Service13-34
9. INJECTOR CHECK
Injection Condition Check
(1) Release the residual pressure from the fuel pipe line to
prevent fuel from flowing out.
(2) Remove the injector.
(3) Set
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