P2766

DTC P2766: Input Shaft 2 (Even number gear axle) Speed Sensor System (Poor performance)

CAUTION:
^ If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines.
^ Whenever the ECU is replaced, ensure that the CAN bus lines are normal.

DIAGNOSTIC FUNCTION
TC-SST-ECU checks that the input shaft sensor 2 is normal.

DESCRIPTIONS OF MONITOR METHODS
The even number gear side input shaft speed (revolution) is determined to be abnormal.

MONITOR EXECUTION
^ Continuous

MONITOR EXECUTION CONDITIONS (OTHER MONITOR AND SENSOR)

Other Monitor (There is no temporary DTC stored in memory for the item monitored below)
^ P0715: Input shaft 1 (odd number gear axle) speed sensor system (Output high range out)
^ P0716: Input shaft 1 (odd number gear axle) speed sensor system (Poor performance)
^ P0717: Input shaft 1 (odd number gear axle) speed sensor system (Output low range out)

Sensor (The sensor below is determined to be normal)
^ Input shaft 1 (odd number gear axle) speed sensor

LOGIC FLOW CHARTS (Monitor Sequence) [Rationality]





LOGIC FLOW CHARTS (Monitor Sequence) [Rationality (Failure condition 1)]





LOGIC FLOW CHARTS (Monitor Sequence) [Rationality (Failure condition 2)]





DTC SET CONDITIONS

Check Conditions [Rationality]
^ Voltage of battery: 8 V or more.
^ Voltage of battery: 16.5 V or less.
^ Input shaft [odd] gear: engaged.
^ Input shaft [even] gear: engaged.

JUDGMENT CRITERIA [Rationality]
^ Failure condition 1 or failure condition 2 (Refer to Logic Flow Charts (Monitor Sequence) [Rationality]). (500 millisecond)

OBD-II DRIVE CYCLE PATTERN [RATIONALITY]
Each value of failure condition 1 or failure condition 2 (Logic Flow Charts (Monitor Sequence) [Rationality]) returns to the normal value and remains in the state for 500 milliseconds.

LOGIC FLOW CHARTS (Monitor Sequence) [Rationality-plausibility failure]





DTC SET CONDITIONS

Check Conditions [Rationality plausibility failure]
^ Voltage of battery: 8 V or more.
^ Voltage of battery: 16.5 V or less.

JUDGMENT CRITERIA [Rationality plausibility failure]
^ Input shaft 2 (even) speed: Refer to Logic Flow Charts (Monitor Sequence) [Rationality plausibility failure]. (250 millisecond)

OBD-II DRIVE CYCLE PATTERN [RATIONALITY PLAUSIBILITY FAILURE]
The value of the Logic Flow Charts (Monitor Sequence) [Rationality plausibility failure] returns to the normal value and remains in the state for 250 milliseconds.

PROBABLE CAUSES
^ Malfunction of TC-SST-ECU

DIAGNOSTIC PROCEDURE

STEP 1. Scan tool CAN bus diagnostics
Using scan tool MB991958, diagnose the CAN bus lines.

Q: Is the check result normal?
YES: Go to Step 2.
NO: Repair the CAN bus lines. After repairing the CAN bus line, go to Step 2.

STEP 2. Check whether the DTC is reset.

Q: Is DTC No. P2766 set?
YES: Replace the TC-SST assembly.
NO: Intermittent malfunction.