LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (On-Board Diagnostics - A/T) >> DTC P1738-00: Automatic Transaxle Internal Malfunction >> Diagnostic procedure

Diagnostic procedure

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
STEP INSPECTION ACTION
1 INSPECT ATF LEVEL 
Yes Adjust the ATF level to the specification, then go to the next step.
(See AUTOMATIC TRANSAXLE FLUID (ATF) ADJUSTMENT [FW6A-EL, FW6AX-EL] .)
No Go to Step 4.
2 PERFORM ON-BOARD DIAGNOSTIC TEST TO SPECIFY MALFUNCTIONING PART 
Yes DTC P1738:00 is displayed:

DTC other than P1738:00 is displayed:
No Go to the next step.
3 DRIVE VEHICLE AND VERIFY DTCs 
Yes DTC P1738:00 is displayed:

DTC other than P1738:00 is displayed:
No No DTCs are displayed:
  • DTC troubleshooting completed.
4 PERFORM ON-BOARD DIAGNOSTIC TEST 
Yes DTC P1738:00 is displayed:

DTC other than P1738:00 is displayed:
No Go to the next step.
5 DRIVE VEHICLE AND VERIFY DTCs 
Yes DTC P1738:00 is displayed:

DTC other than P1738:00 is displayed:
No Replace the control valve body.
(See CONTROL VALVE BODY REMOVAL/INSTALLATION [FW6A-EL, FW6AX-EL] .)