Post by
audtatious »
https://forums.nicoclub.com/audtatious-u2438.html
Sun Jul 01, 2012 8:12 am
I hate it when codes are not in the FSM's. Looking elsewhere:
P0732 is detected when A/T cannot be shifted to the 2nd gear position even if electrical circuit is good.
This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by Transmission Control Module (TCM) as follows:
Torque converter slip ratio = A x C/B
A: Output shaft revolution signal from revolution sensor
B: Engine speed signal from Engine Control Module (ECM)
C: Gear ratio determined as gear position which TCM supposes
If the actual gear position is higher than the position (1st) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.
Possible causes:
- Low transmission fluid level
- Dirty transmission fluid
- Shift solenoids
- Transmission mechanical problems
- Transmission hydraulic control circuit
There is a known TSB on this issues. Service Bulletin NTB-97-028. Summary is "Diagnostic procedure for p0731, p0732 & p0733 (a/t signals) with no driveability incidents"
So, unfortunately, the only solution listed anywhere is to take it to Nissan for diagnostics.