DTC Detection Logic

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

Possible causes

P2766

INPUT SPEED SENSOR B

(Input/Turbine Speed Sensor B Circuit Range/Performance)

When all of the following conditions are satisfied and this state is maintained for 5 seconds:

TCM power supply voltage: More than 11 V
After range change completion, it spends 2 seconds or more.
Range: D or L
Engine speed: 450 rpm or more
Primary pulley speed: 300 rpm or more
Secondary pulley speed: 300 rpm or more
Input speed: 300 rpm or more
The difference between engine speed and primary pulley speed is 1, 000 rpm or less
The difference between engine speed and input speed is 1, 000 rpm or less
The difference between primary pulley speed and input speed is 1, 000 rpm or less
Lock-up command is being given (except for slip lock-up)
DTC other than the applicable DTC is not detected.
When any of following items are satisfied:
1. Primary pulley speed/secondary pulley speed: More than 2.9
2. Primary pulley speed/secondary pulley speed: Less than 0.3

Harness or connector
(Output speed sensor circuit is open or shorted)
Output speed sensor