DTC Troubleshooting: P0780 (42-2)
| DTC P0780: | Problem in Shift Control System |
For KB, KE, KG, and KQ Models
NOTE:
- Record all freeze data and review General Troubleshooting Information before you troubleshoot.
- The illustration shows the example of connector terminal arrangement; connector terminal arrangement varies with the models.
| 1. | Check whether the another DTC is indicated. Is the another DTC indicated? YES - Perform the troubleshooting for the indicated DTC(s), and recheck for DTC P0780 after troubleshooting. NO - Go to 2. |
| 2. | Measure the stall speed RPM in the D, S, L, and R positions. Is the stall speed over 3,500 rpm (min-1)? YES - Replace the transmission.n NO - If the stall speed is below 2,000 rpm (min-1), replace the control valve body. |
| 3. | Turn the ignition switch OFF. |
| 4. | Set the digital multitester to monitor the throttle position sensor voltage between PCM connector terminals A15 and 23 or A24.
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| 5. | Drive the vehicle in the D position on a flat road at 60 km/h (37 mph) with throttle position sensor voltage 2.0 V, and measure the engine speed RPM. Is the engine speed in 2,200-3,100 rpm (min-1)? YES - Replace the control valve body.n NO - Replace the transmission.n |