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Honda Fit/Jazz - DTC Troubleshooting: P1890 (42-1) (L15A CVT)
Online Honda Fit/Jazz 2002-2005 Workshop repair manual used by professionals.
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Snip from the Manual
DTC Troubleshooting: P1890 (42-1)
DTC P1890: Problem in Shift Control System
NOTE: Record all freeze data 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
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
NO - If the stall speed is below 2,000 rpm (min-1), replace the control valve body. If the stall speed is in 2,350-2,650 rpm (min-1), go to 3.
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.
IMAGE REPLACED HERE
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 2,150-2,750 rpm (min-1)?
YES - Replace the control valve body.n
NO - Replace the transmission.n
(min