Diagnostic procedure
WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
NO CREEP AT ALL DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Does the vehicle creep in any range/position? | Yes | Go to the next step. |
| No | Inspect the selector lever and TR switch. (See SELECTOR LEVER COMPONENT INSPECTION .) (See TRANSMISSION RANGE (TR) SWITCH INSPECTION .) |
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| 2 | Disconnect the TCM connector. Is the resistance between terminal 2U at the TCM connector and terminal J at the solenoid valve wiring harness-side connector 5.0 ohms or less ? |
Yes | Go to the next step. |
| No | Repair open circuit. | ||
| 3 | Disconnect the TCM connector. Is the resistance between ground terminal 2M or 2Q at the TCM connector and body ground 5.0 ohms or less? |
Yes | Go to the next step. |
| No | Repair open ground circuit. | ||
| 4 | Inspect shift solenoid A, B, C, F and pressure control solenoid circuits. (See SOLENOID VALVE INSPECTION .) Are they normal? |
Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 5 | Remove the torque converter. Inspect the torque converter. (See AUTOMATIC TRANSMISSION REMOVAL/INSTALLATION .) (See AT workshop Manual.) Is the torque converter normal? |
Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE RC4A-EL - OVERHAUL .) If the problem remains, overhaul the transmission and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE RC4A-EL - OVERHAUL .) |
| No | Replace the torque converter. (See AUTOMATIC TRANSMISSION REMOVAL/INSTALLATION .) |
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| 6 | Verify the test results.
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