LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2017 >> 5 GT, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Symptom Troubleshooting - Instrument Cluster >> No. 10 Malfunction Warning Light Illuminates >> Diagnostic procedure

Diagnostic procedure

NO. 10 MALFUNCTION WARNING LIGHT ILLUMINATES (INSTRUMENT CLUSTER) DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1
  • Start the engine.
  • Does the malfunction warning light turn off?
Yes Troubleshooting completed. (The system is normal.)
No Go to the next step.
2
  • Retrieve DTC from the PCM using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST .)
  • Is the DTC P0571:00 and/or P0703:00 present?
Yes Go to applicable DTC inspection.
(See DTC P0571:00 .)
(See DTC P0703:00 .)
No Go to the next step.
3
  • Start the engine.
  • Verify that the warning and indicator lights condition.
  • Do two or more lights illuminate at the same time?
Yes Go to the Step 5.
No Go to the next step.
4
  • Turn off the malfunction warning light using M-MDS instrument cluster active command modes WL+IL. (See ACTIVE COMMAND MODES TABLE .)
  • Does the malfunction warning light turn off according to active command modes?
Yes Inspect the connector condition of the following parts:
  • Instrument cluster
  • PCM

If connector connection is poor:
  • Connect the connector of each part securely.

    If malfunction occurs on part side:

  • Replace each part.

    If malfunction occurs on vehicle wiring harness side:

  • Repair or replace the pins or connector.
No Replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
5
  • Retrieve DTC from the instrument cluster using the M-MDS. (See DTC INSPECTION .)
  • Is the DTC detected?
Yes Go to the applicable DTC troubleshooting procedure.
(See DTC TABLE .)
No Go to the next step.
6
  • Disconnect the negative battery cable.
  • Measure the resistance between the DLC-2 terminals F and E.
  • Is the resistance below 60 ohms?
Yes Go to the next step.
No Go to Step 9.
7
  • Disconnect the negative battery cable.
  • Inspect the DLC-2 terminals F and E for short to power supply or ground.
  • Is there any malfunction?
Yes Inspect the wiring harness and CAN system-related module.
Repair or replace the malfunctioning part.
No Replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
8
  • Switch the ignition OFF (LOCK).
  • Inspect the instrument cluster connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
  • Are the terminals normal?
Yes Go to the next step.
No Repair or replace the terminal.
9
  • Disconnect the negative battery cable.
  • Measure the resistance between the instrument cluster connector terminals 2B and 2D.
  • Is the resistance 114-126 ohms?
Yes Inspect the wiring harness and CAN system-related module.
Repair or replace the malfunctioning part.
G13727805Courtesy of MAZDA MOTORS CORP.
No Replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)