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Home >> Mazda >> 2014 >> 3 SV, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (On-Board Diagnostic - Automatic Transaxle) >> DTC P0734: 00 4GR Incorrect Ratio >> Diagnostic Procedure

Diagnostic Procedure

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DTC P0734:00 (FW6A-EL) - DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY DTC OUTPUT STATUS 
  • Are any the following DTCs displayed?
    • P0738:00, P0746:00, P0751:00, P0752:00, P0756:00, P0757:00, P0761:00, P0762:00, P0766:00, P0767:00, P0771:00, P0772:00, P0842:00, P0843:00, P0847:00, P0848:00, P0872:00, P0873:00, P0877:00, P0878:00, P1784:00
Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE .)
No Go to the next step.
2 INSPECT ATF LEVEL 
Yes Adjust the ATF level to the specification, then go to the next Step.
(See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT .)
No Go to the next step.
3 PERFORM ON-BOARD DIAGNOSTIC TEST TO SPECIFY MALFUNCTIONING PART 
NOTE:
  • If only DTCs in which the malfunctioning part is not confirmed are displayed as in the following DTCs, all of the diagnosis may not have been completed. In such cases, the malfunction cause can be determined by performing the on-board diagnostic test.

Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE .)
No ATF amount in Step 2 is correct:

ATF amount adjusted in Step 2:
  • Drive the vehicle to check it, and if there is no problem then the DTC troubleshooting is complete.