Page 937 of 3870
Fig. 83: Connecting Scan Tool To Data Link Connector
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Auto, Cruise Control System - Endeavor
Page 938 of 3870
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
2. Turn the ignition switch to the "ON" position.
3. Check for A/T system diagnostic trouble code. (Refer to HOW TO
READ AND ERASE DIAGNOSTIC TROUBLE CODE
).
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Disconnect scan tool MB991958.
Q: Is any DTC set?
YES : Diagnose the A/T system. (Refer to DIAGNOSTIC TROUBLE
CODE CHART
). Then go to Step 3.
NO : Replace the PCM. [Refer to POWERTRAIN CONTROL
MODULE (PCM)
]. Then go to Step 3.
STEP 3. Using scan tool MB991958, read the diagnostic trouble code.
1. Connect scan tool MB991958 to the data link connector. (Refer to AUTO
-
CRUISE CONTROL SYSTEM DIAGNOSTIC TROUBLESHOOTING STRATEGY
).
CAUTION: To prevent damage to scan tool MB991958,
always turn the ignition switch to the
"LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Auto, Cruise Control System - Endeavor
Page 939 of 3870
Fig. 84: Connecting Scan Tool To Data Link Connector
Courtes
y of MITSUBISHI MOTOR SALES OF AMERICA
.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Auto, Cruise Control System - Endeavor
Page 940 of 3870
2. Turn the ignition switch to the "ON" position.
3. Set scan tool MB991958 to read the diagnostic trouble codes.
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Disconnect scan tool MB991958.
Q:Is DTC 23 set?
YES : Return to Step 1 .
NO : The procedure is complete.
SYMPTOM CHART Fig. 85: Identifying Symptom Chart
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
SYMPTOM PROCEDURES
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Auto, Cruise Control System - Endeavor
Page 941 of 3870

INSPECTION PROCEDURE 1: WHEN THE BRAKE PEDAL IS DEPRESSED, AUT
O-CRUISE CONTROL IS NOT
CANCELLED
COMMENT The stoplight switch circuit is suspected. TROUBLESHOOTING HINTS (The most likely causes for this case:)
Malfunction of the stoplight switch. Damaged harness or connector. Malfunction of the PCM.
DIAGNOSIS Refer to DIAGNOSTIC TROUBLE CODE PROCEDURES
- DTC 22:
STOPLIGHT SWITCH SYSTEM
.
INSPECTION PROCEDURE 2: When the Selector Lever is Moved to "N" Range, Auto-cruise Control is not Cancelled.COMMENT The transmission range switch circuit is suspected. TROUBLESHOOTING HINTS (The most likely causes for this case:)
Malfunction of the transmission range switch. Damaged harness or connector. Malfunction of the PCM.
DIAGNOSIS Refer to DTC 27 (P0705): TRANSMISSION RANGE SWITCH SYS
, DTC 28
(P0705): TRANSMISSION RANGE SWITCH SYS
.
INSPECTION PROCEDURE 3: When the Auto-cruise Control "CANCEL" Switch is Set to ON, Auto-cruise Control is
not Cancelled. COMMENT The cause is probably an open-circuit in the output in the circuit inside the
"CANCEL" switch.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Auto, Cruise Control System - Endeavor
Page 942 of 3870

TROUBLESHOOTING HINTS (The most likel
y causes for this case:
)
Malfunction of the auto-cruise control switch.
DIAGNOSIS Replace the auto-cruise control switch. (Refer to AUTO
-CRUISE CONTROL
,
Auto-cruise Control).
INSPECTION PROCEDURE 4: Auto-cruise Control cannot be Set. COMMENT The fail-safe function is probably canceling auto-cruise control. In this case, scan
tool MB991824 can be used to Retest each system by checking the diagnostic
trouble codes. The scan tool can also be used to check if the circuits of each input
switch are normal or not by checking the input switch codes. TROUBLESHOOTING HINTS (The most likely causes for this case:)
Malfunction of the auto-cruise control switch. Malfunction of the PCM.
DIAGNOSIS REQUIRED SPECIAL TOOL:
MB991958: Scan Tool (MUT-III sub assembly)
MB991824: V.C.I. MB991827: USB Cable MB991910: Main Harness A
STEP 1. Using scan tool MB991958, read the diagnostic trouble code.
1. Connect scan tool MB991958 to the data link connec
tor.
(Refer to AUT
O-
CAUTION: To prevent damage to scan tool MB991958,
always turn the ignition switch to the
"LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Auto, Cruise Control System - Endeavor
Page 943 of 3870
CRUISE CONTROL SYSTEM DIAGNOSTIC TROUBLESHOOTING STRATEGY
).
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Auto, Cruise Control System - Endeavor
Page 944 of 3870
Fig. 86: Connecting Scan Tool To Data Link Connector
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Auto, Cruise Control System - Endeavor