Diagnosis procedure
1.Check connector
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.Check harness for open circuit

Is the measurement value within the specification? Yes >> go to 3.
No >> repair the ecm branch line.
3.Check power supply and ground circuit
Check the power supply and the ground circuit of the ecm. Refer to ec-164, "diagnosis procedure".
Is the inspection result normal? Yes (present error)>>replace the ecm. Refer to ec-485, "removal and installation".
Yes (past error)>>error was detected in the ecm branch line.
No >> repair the power supply and the ground circuit.
Main line between ipdm-e and dlc circuit
Abs branch line circuitTransaxle side
TRANSAXLE SIDE : Removal and Installation
Remove boot after drive shaft is removed from the vehicle.
For drive shaft removal and installation, follow the instructions bellow.
6M/T: Refer to FAX-18, "6M/T : Removal and Installation (LH)".
Except 6M/T: Refer to FAX-26, "EXCEPT ...
P2858 Clutch B Pressure
DTC Logic
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P2858
CLUTCH B PRESSURE
(Clutch B Pressure Engagement
Performance)
The auxiliary gearbox gear ratio is 2.232 or
more for the auxiliary gearbox 2GR ratio ...
Ambient sensor signal circuit
Description
It detects outside air temperature and converts it into a resistance value
which is then input into the combination
meter.
Diagnosis Procedure
Regarding wiring diagram information, refer to mwi-28, "wiring diagram".
1.Check ambient sensor signal circuit
Turn igniti ...