Nissan Versa (N17): Heater & air conditioning system (HA)

Other materials:

P2858 Clutch B pressure
DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes P2858 Clutch B pressure engagement performance The auxiliary gearbox gear ratio is 2.232 or more for the auxiliary gearbox 2GR ratio continuously for 5 seconds ...

Main power supply and ground circuit
Diagnosis Procedure 1.CHECK TCM POWER CIRCUIT (PART 1) Turn ignition switch OFF. Disconnect TCM connector. Check voltage between TCM harness connector terminals and ground.        Is the inspection result normal? YES >> GO TO 2. NO >> G ...