2004 MITSUBISHI ENDEAVOR ignition

MB991958: Scan Tool (MUT-III Sub Assembly)
MB991824: V.C.I. MB991827: MUT-III USB Cable MB991910: MUT-III Main Harness A
1. Before checks set the vehicle in the following condition:
Engine coolant temperature: 80 - 95°C (176 - 203°F) Lights and all accessories: OFF Transaxle: P range
2. Remove all of the ignition coils and spark plugs.
3. Disconnect the crankshaft position sensor connector.
NOTE: Vehicles for Canada, the headlight, taillight, etc. remain
lit even when the lighting switch is in "OFF" position
but this is no problem for checks.
NOTE: Doing this will prevent the engine control module from
carrying out ignition and fuel injection.

2004 Mitsubishi Endeavor Limited
2004 ENGINE Engine - Endeavor

malfunction is a worn or damaged piston ring and/or cylinder inner
surface.
2. If the compression does not rise after oil is added, the cause is a burnt or
defective valve seat, or pressure is leaking from the gasket.
9. Connect the crankshaft position sensor connector.
10. Install the spark plugs and ignition coils.
11. Use the scan tool MB991958 to erase the diagnostic trouble codes.
NOTE: This will erase the diagnostic trouble code resulting from
the crankshaft position sensor connector being
disconnected.
2004 Mitsubishi Endeavor Limited
2004 ENGINE Engine - Endeavor

Fig. 7: Identifying Connector C
-105

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
CIRCUIT OPERATION Power is supplied to the radio and CD player or radio, CD player and CD changer
when the ignition switch is in the "ACC" position or "ON" position. When the
ignition is switched on, the radio and CD player or radio, CD player and CD
changer or radio, CD player and CD changer will return to the previous state when
the ignition was switch off at the last time. TECHNICAL DESCRIPTION (COMMENT) The cause is probably a faulty radio and CD player or radio, CD player and CD
chan
ger
power su
pply circuit.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

TROUBLESHOOTING HINTS
Damaged wiring harness or connector. Malfunction of the radio and CD player or radio, CD player and CD changer.
DIAGNOSIS Required Special Tool:
MB991223: Harness set
STEP 1. Check to see that the radio and CD player or radio, CD player
and CD changer is energized when the power switch is turned ON.
1. Turn the ignition switch to "ACC" position.
2. Turn ON the radio and CD player or radio, CD player and CD changer
power switch.
Q: Is the radio and CD player or radio, CD player and CD changer
energized when the power switch is turned ON?
YES: Go to Step 2.
NO: Go to Step 5 .
STEP 2. Check radio and CD player or radio, CD player and CD changer
connector C-105 for loose, corroded or damaged terminals, or terminals pushed back in the connector
.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

Q: Is the wiring harness between radio and CD player or radio, CD player
and CD changer connector C-105 (terminal 20) and ignition switch (ACC)
in good condition?
YES: Go to Step 4.
NO: Repair the wiring harness. If the power switch is turned on, the radio
and CD player or radio, CD player and CD changer should operate
normally.
STEP 4. Check the installation condition of the radio and CD player or
radio, CD player and CD changer.
Q: Are the radio and CD player or radio, CD player and CD changer
installed correctly?
YES: Repair or replace the radio and CD player or radio, CD player and
CD changer. If the power switch is turned on, the radio and CD player or
radio, CD player and CD changer should operate normally.
NO: Install the radio and CD player or radio, CD player and CD changer
properly. If the power switch is turned on, the radio and CD player or
radio, CD player and CD changer should operate normally.
STEP 5. Measure at radio and CD player or radio, CD player and CD
changer connector C-105 in order to check the battery circuit of power
supply system to the radio and CD player or radio, CD player and CD
changer (ignition switch ACC).
1. Disconnect radio and CD player or radio, CD player and CD changer
connector
C-105, and measure at the wiring harness side.
NOTE: The radio and CD player or radio, CD player and CD
changer are grounded to the instrument panel center
reinforcement directly.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

Fig. 11: Disconnecting Connector C
-105

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2. Turn the ignition switch to "ACC" position.
3. Measure the voltage between terminal 20 and ground.
The voltage should measure approximately 12 volts (battery positive
volta
ge).

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

Fig. 13: Identifying CD Changer Connector C
-105

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are radio and CD player or radio, CD player and CD changer
connector C-105 in good condition?
YES: Go to Step 7.
NO: Repair or replace the damaged component(s). If the power switch is
turned on, the radio and CD player or radio, CD player and CD changer
should operate normally.
STEP 7. Check the wiring harness between radio and CD player or radio,
CD player and CD changer connector C-105 (terminal 20) and ignition
switch (ACC).

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

Q: Is the wiring harness between radio and CD player or radio, CD player
and CD changer connector C-105 (terminal 20) and ignition switch (ACC)
in good condition?
YES: There is no action to be taken.
NO: Repair the wiring harness. If the power switch is turned on, the radio
and CD player or radio, CD player and CD changer should operate
normally.
STEP 8. Check the installation condition of the radio and CD player or
radio, CD player and CD changer.
Q: Are the radio and CD player or radio, CD player and CD changer
installed correctly?
YES: Replace the radio and CD player or radio, CD player and CD
changer. If the power switch is turned on, the radio and CD player or
radio, CD player and CD changer should operate normally.
NO: Install the radio and CD player or radio, CD player and CD changer
properly. If the power switch is turned on, the radio and CD player or
radio, CD player and CD changer should operate normally.
INSPECTION PROCEDURE 2: When Remote Controlled Radio Power Switch is Turned "ON," no Power is Available.
But Radio, CD Player and CD Changer Power Switch is Available. < vehicles with seven speakers >.
NOTE: The radio and CD player or radio. CD player and CD
changer are grounded to the instrument panel center
reinforcement directly.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor