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Home >> Mitsubishi Truck >> 2010 >> Endeavor 2WD V6-3.8L (6G75) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Symptom Procedures >> Inspection Procedure 11

Inspection Procedure 11

INSPECTION PROCEDURE 11: The menu operation is possible even during driving. /The current position display (vehicle mark) does not move. (The mark sometimes moves by leaping.)

CAUTION: Before replacing the navigation unit, ensure that the power supply circuit and the ground circuit are normal. (Check that the voltage is 10 V or more.)

Part 1:




Part 2:






TROUBLESHOOTING HINTS
- The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector
- The multi-center display may be defective
- The power train control module may be defective
- The navigation unit may be defective

DIAGNOSIS

STEP 1. Using the navi service mode function, check that the vehicle speed pulse is counted.

1. Display the Circuit check.
2. Check that the speed pulse value changes while driving.

Q: Is the vehicle speed pulse counted?

YES : Replace the navigation unit.

NO : Go to Step 2.

STEP 2. Check navigation unit connector C-131 and power train control module connector B-18 for loose, corroded or damaged terminals, or terminals pushed back in the connector.









Q: Are navigation unit connector C-131 and power train control module connector B-18 in good condition?

YES : Go to Step 3.

NO : Repair the damaged parts. Then, check that the menu operation is not possible during driving, or that the current position display (vehicle mark) is displayed normally.

STEP 3. Check the wiring harness between navigation unit connector C-131 (terminal 7) and power train control module connector B-18 (terminal 14).









- Check the wiring harness for open circuit and short circuit.






NOTE: Also check intermediate connector C-31 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-31 is damaged, repair or replace the damaged component(s).

Q: Is the wiring harness between navigation unit connector C-131 (terminal 7) and power train control module connector B-18 (terminal 14) in good condition?

YES : Go to Step 4.

NO : The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the connector. Repair the wiring harness as necessary. Check that the menu operation is not possible during driving, or that the current position display (vehicle mark) is displayed normally.

STEP 4. Temporarily replace the navigation unit. Then, check that the menu operation is not possible during driving, or that the current position display (vehicle mark) is displayed normally.

Q: When the navigation unit is temporarily replaced, is the menu operation not possible during driving, or is the current position display (vehicle mark) displayed normally?

YES : Replace the navigation unit.

NO : Replace the power train control module.
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