LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2007 >> CX-7 Sport, FWD >> Repair and Diagnosis >> Electrical >> Horns >> Instrumentation/Driver Info >> Instrument Cluster Input/Output Check Mode >> Check Code Inspection

Check Code Inspection

CHECK CODE 08 INSPECTION REFERENCE

Check code 08 TNS relay ON/OFF signal
STEP INSPECTION CONDITION DISPLAY ACTION
1 Turn the headlight switch to the TNS position. (TNS relay ON)
G04861452Courtesy of MAZDA MOTORS CORP.
 Go to the next step.
G04861453Courtesy of MAZDA MOTORS CORP.
 Verify that the voltage of instrument cluster terminal 2l is B+  .
  • If the voltage is as specified, replace the instrument cluster.
  • If the voltage is not as specified, inspect the following parts:
    • TNS relay
    • Wiring harness (Battery-TNS relay-instrument cluster)
2 Turn the headlight switch off. (TNS relay OFF)
G04861454Courtesy of MAZDA MOTORS CORP.
 Verify that the voltage of the instrument cluster terminal 2l is 1.0 V or less  .
  • If the voltage is as specified, replace the instrument cluster.
  • If the voltage is not as specified, inspect the following parts:
    • TNS relay
    • Wiring harness (TNS relay-instrument cluster)
G04861455Courtesy of MAZDA MOTORS CORP.
 Input signal to the instrument cluster is normal.
CHECK CODE 12 INSPECTION REFERENCE

Check code 12 Speedometer display signal
INSPECTION CONDITION DISPLAY ACTION
After selecting check code 12, wait for approx. 2 s  .
G04861456Courtesy of MAZDA MOTORS CORP.
 The speedometer needle moves full scale then returns to approx. 60 km/h  . The speedometer is normal.
Except above Replace the instrument cluster.
G04861457Courtesy of MAZDA MOTORS CORP.
 -
CHECK CODE 13 INSPECTION REFERENCE

Check code 13 Tachometer operation signal
INSPECTION CONDITION DISPLAY ACTION
After selecting check code 13, wait for approx. 2 s  .
G04861458Courtesy of MAZDA MOTORS CORP.
 The tachometer needle moves full scale then returns to approx. 3,000 rpm  . The tachometer is normal.
Except above Replace the instrument cluster.
G04861459Courtesy of MAZDA MOTORS CORP.
 -
CHECK CODE 14 INSPECTION REFERENCE

Check code 14 Buzzer operation signal
INSPECTION CONDITION DISPLAY ACTION
After selecting check code 14, wait approx. 2 s  .
G04861460Courtesy of MAZDA MOTORS CORP.
 The buzzer sounds. The buzzer is normal.
The buzzer does not sound. Replace the instrument cluster.
CHECK CODE 16 INSPECTION REFERENCE

Check code 16 Fuel-level warning light flashing signal
INSPECTION CONDITION DISPLAY ACTION
After selecting check code 16, wait approx. 2 s  .
G04861461Courtesy of MAZDA MOTORS CORP.
 Fuel-level warning light flashes three times  . The fuel-level warning light is normal.
Except above Replace the instrument cluster.
CHECK CODE 22 INSPECTION REFERENCE

Check code 22 Fuel level signal
STEP INSPECTION CONDITION DISPLAY ACTION
1 Select check code 22 with the fuel gauge sender unit connector disconnected.
G04861462Courtesy of MAZDA MOTORS CORP.
 Go to the next step.
Except above Go to the Step 6.
2 Connect terminals 2U and 2W of the instrument cluster.
G04861463Courtesy of MAZDA MOTORS CORP.
 Go to the next step.
Except above Go to the Step 6.
3 Using the SST  (Fuel and thermometer checker) or resistor, input 20 ohms  between instrument cluster terminals 2U and 2W.
G04861464Courtesy of MAZDA MOTORS CORP.
 Go to the next step.
Except above Go to the Step 6.
4 Using the SST  (Fuel and thermometer checker) or resistor, input 60 ohms  between instrument cluster terminals 2U and 2W.
G04861465Courtesy of MAZDA MOTORS CORP.
 Go to the next step.
Except above Go to the Step 6.
5 Using the SST  (Fuel and thermometer checker) or resistor, input 100 ohms  between instrument cluster terminals 2U and 2W.
G04861466Courtesy of MAZDA MOTORS CORP.
 Inspect the fuel gauge sender unit.
Except above Go to the next step.
6 Inspect the wiring harness and connector between instrument cluster and fuel gauge sender unit.
  • If there is any malfunction, repair or replace the wiring harness or connector.
  • If there is no malfunction, replace the instrument cluster.
CHECK CODE 23 INSPECTION REFERENCE

Check code 23 Fuel gauge operation signal
INSPECTION CONDITION DISPLAY ACTION
After selecting check code 23, wait approx. 2 s  .
G04861467Courtesy of MAZDA MOTORS CORP.
 The fuel gauge indicates status in the following order approx. every 2 s. 
  • F-->1/2-->E-->F (fixed)
 The fuel gauge is normal.
Except above Replace the instrument cluster.
G04861468Courtesy of MAZDA MOTORS CORP.
 Replace the instrument cluster.
CHECK CODE 25 INSPECTION REFERENCE

Check code 25 Water temperature gauge operation signal
INSPECTION CONDITION DISPLAY ACTION
After selecting check code 25, wait approx. 2 s  .
G04861469Courtesy of MAZDA MOTORS CORP.
 The water temperature gauge indicates status in the following order approx. every 2 s  .
  • H --> Center --> C --> H (fixed)
 The water temperature gauge is normal.
Except above Replace the instrument cluster.
G04861470Courtesy of MAZDA MOTORS CORP.
 Replace the instrument cluster.
CHECK CODE 26 INSPECTION REFERENCE

Check code 26 Odometer/tripmeter display signal
INSPECTION CONDITION DISPLAY ACTION
Select check code 26.
G04861471Courtesy of MAZDA MOTORS CORP.
  • Display is normal.
  • Warning and indicator light illuminated.
    • Generator warning light
    • DSC/TCS indicator light
    • ABS warning light
    • Brake system warning light
    • Cruise set indicator light
    • Cruise main indicator light
    • TCS OFF light
    • Selector indicator light
    • Door ajar warning light
    • Seat belt warning light
    • Air bag system warning light
    • Turn indicator light
    • Oil pressure warning light
    • MIL
    • Keyless indicator light
    • Keyless warning light
    • Security light
    • AT warning light
  • The odometer/tripmeter is normal.
  • Warning and indicator is normal.
Except above Replace the instrument cluster.
CHECK CODE 55 INSPECTION REFERENCE

Check code 55 Dimmer switch ON/OFF signal
STEP INSPECTION CONDITION DISPLAY ACTION
1 After selecting the check code 55, press and hold the dimmer switch. (Dimmer switch ON)
G04861472Courtesy of MAZDA MOTORS CORP.
 Go to the next step.
G04861473Courtesy of MAZDA MOTORS CORP.
 Replace the instrument cluster.
2 Release the dimmer switch. (Dimmer switch OFF)
G04861474Courtesy of MAZDA MOTORS CORP.
 Replace the instrument cluster.
G04861475Courtesy of MAZDA MOTORS CORP.
 Input signal to the instrument cluster is normal.
CHECK CODE 57 INSPECTION REFERENCE

Check code 57 Panel light control signal
INSPECTION CONDITION DISPLAY ACTION
Turn the headlight switch to the TNS position.
After selecting check code 57, wait approx. 2 s  .
G04861476Courtesy of MAZDA MOTORS CORP.
 Illumination light (hazard warning switch, center panel unit, etc.) flashes three times  . The panel light control signal is normal.
Except above Verify that the voltage of instrument cluster terminal F1 is B+  .
  • If the voltage is as specified, replace the instrument cluster.
  • If the voltage is not as specified, inspect the following parts:
    • Illumination light (hazard warning switch, center panel unit, etc.)
    • Wiring harness (Instrument cluster-illumination lights-TNS relay)

Diagnostic procedure 

CHECK CODE 59 INSPECTION REFERENCE

Check code 59 CAN system/fuel system
STEP INSPECTION INDICATION ACTION
1 The three digits number is indicated after selecting check code 59. Confirm the first digit from the right.
G04861477Courtesy of MAZDA MOTORS CORP.
 The CAN system is okay.
Go to next step.
G04861478Courtesy of MAZDA MOTORS CORP.
 The DTC of CAN system is detected.
Perform the DTC inspection. (See DTC TABLE[MULTIPLEX COMMUNICATION SYSTEM] )
  • If the CAN system is okay, replace the instrument cluster.

Go to next step.
2 Confirm the second digit from the right.
G04861479Courtesy of MAZDA MOTORS CORP.
 The wiring harnesses between the fuel gauge sender unit and instrument cluster are okay.
Go to next step.
G04861480Courtesy of MAZDA MOTORS CORP.
 Inspect following parts.
  • Fuel gauge sender unit
  • Wiring harness (Fuel gauge sender unit-instrument cluster)
    • If fuel gauge sender unit and wiring harness are okay, replace the instrument cluster.

Go to next step.
3 Confirm the third digit from the right.
G04861481Courtesy of MAZDA MOTORS CORP.
 The fuel pulse signal from the PCM is okay.
G04861482Courtesy of MAZDA MOTORS CORP.
 Inspect the PCM.
(See ON-BOARD DIAGNOSTIC TEST[L3 WITH TC] , PCM INSPECTION[L3 WITH TC] )
  • If the PCM is okay, replace the instrument cluster.
scientia non olet · About LEMON Manuals