Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2011 >> Tribute 4WD L4-2.5L >> Repair and Diagnosis >> Transmission and Drivetrain >> Transfer Case >> Testing and Inspection >> Initial Inspection and Diagnostic Overview
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Initial Inspection and Diagnostic Overview




FOUR WHEEL DRIVE (4WD) SYSTEM INSPECTION/VERIFICATION

See the Tribute Wiring Diagram for schematic information.
1. Verify the customer concern.

2. Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Chart





3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.

4. If the cause is not visually evident, connect the scan tool to the data link connector (DLC).

NOTE:Make sure to use the latest scan tool software release.
5. If the scan tool does not communicate with the VCM:

- check the VCM connection to the vehicle.
- check the scan tool connection to the VCM.
- see - Communications Network - Troubleshooting, No Power To The Scan Tool to diagnose no power to the scan tool.

NOTE:The vehicle communication module (VCM) LED prove out confirms power and ground from the DLC are provided to the VCM.
6. If the scan tool does not communicate with the vehicle:

- verify the ignition key is in the ON position.
- see Pinpoint Test 1: The PCM Does Not Respond To The Scan Tool to diagnose no response from the PCM.

7. Carry out the network test.

- If the scan tool responds with no communication for one or more modules, see - Communications Network - Troubleshooting.
- If the network test passes, retrieve and record continuous memory DTCs.

8. Clear the continuous DTCs and carry out the self-test diagnostics for the 4X4 control module.

9. If the DTCs retrieved are related to the concern, go to the 4X4 Control Module DTC Chart. For all other DTCs, see - Diagnostic Trouble Code (DTC) Chart - B, C And U Codes.

10. If no DTCs related to the concern are retrieved, see - Symptom Related Diagnostic Procedures.

4X4 Control Module DTC Chart





pro multis · About Operation CHARM