Mazda MX-5 Miata (1997+). Manual - part 19

TCM TERMINAL VOLTAGE TESTS

Turn ignition switch to ON position. Access TCM. TCM is mounted under left corner of dash, above fuse box. 
DO NOT disconnect harness connector. Using DVOM, measure voltage. See Fig. 4 for terminal identification. 
See Fig. 10 and Fig. 11 . After verifying that appropriate condition has been met, check voltage. If voltage is 
not within specification, inspect component or appropriate circuit. If voltage is within specification, replace 
TCM. 

 

1997 Mazda MX-5 Miata 

1997 AUTOMATIC TRANSMISSIONS NC4A-EL Electronic Controls

  

Fig. 10: TCM Pin Voltage Table (1 Of 2) 
Courtesy of MAZDA MOTORS CORP. 

 

1997 Mazda MX-5 Miata 

1997 AUTOMATIC TRANSMISSIONS NC4A-EL Electronic Controls

  

Fig. 11: TCM Pin Voltage Table (2 Of 2) 
Courtesy of MAZDA MOTORS CORP. 

ELECTRICAL SPECIFICATIONS 

SOLENOID RESISTANCE SPECIFICATIONS 

Component

Resistance Ohms

Solenoids

Shift Solenoids

13-27

TCC Solenoid

13-25

Sensor

TSS

245

 

1997 Mazda MX-5 Miata 

1997 AUTOMATIC TRANSMISSIONS NC4A-EL Electronic Controls

  

WIRING DIAGRAMS 

 

1997 Mazda MX-5 Miata 

1997 AUTOMATIC TRANSMISSIONS NC4A-EL Electronic Controls