DTC Troubleshooting: P1890 (42-1)
|DTC P1890:||Problem in Shift Control System|
NOTE: Record all freeze data and review General Troubleshooting Information before you troubleshoot.
|1.||Check whether the another DTC is indicated.|
Is the another DTC indicated?
YES - Perform the troubleshooting for the indicated DTC(s). Recheck for DTC P1890 after troubleshooting.
NO - Go to 2
|2.||Measure the stall speed RPM in [D], [S], [L], and [R] positions.|
Is the stall speed over 3,500 rpm (min-1)?
YES - Replace the transmission.n
|3.||Turn the ignition switch OFF.|
|4.||Set the digital multitester to monitor the throttle position sensor voltage between PCM connector terminals A15 and A23 or A24.|
|5.||Drive the vehicle in [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)?
NO - Replace the transmission.n