P0882 TCM POWER SUPPLY

TRANSMISSION: GR6Z30A

P0882

Description

The power supply distributes the power to the neutral signal transmitted to each solenoid, starter relay and ECM.

DTC DETECTION LOGIC

NOTE：

If DTC P0700 is detected, first diagnose the DTC P0700. Refer to DTC Logic (GT-R certified NISSAN dealer).
If DTC P0705 is detected, first diagnose the DTC P0705. Refer to DTC Logic (GT-R certified NISSAN dealer).

DTC	Self-diagnosis name	DTC detection condition	Possible cause
P0882	Power supply voltage system	A DTC is set if the power voltage input to TCM is less than 10.5 V.	Battery voltage drop TCM relay Harness or connector (Open in the power supply circuit)

DTC CONFIRMATION PROCEDURE

1.PREPARATION BEFORE OPERATION

2.PERFORM DTC CONFIRMATION PROCEDURE

1.CHECK GROUND CONNECTION

2.CHECK TCM INPUT SIGNAL CIRCUIT

3.CHECK HARNESS BETWEEN TCM AND TCM RELAY (PART 1)

4.CHECK HARNESS BETWEEN TCM AND TCM RELAY (PART 2)

5.CHECK TCM RELAY

6.DETECT MALFUNCTIONING ITEM

7.CHECK INTERMITTENT INCIDENT

1.CHECK TCM RELAY

TCM vehicle side harness connector			Condition	Voltage (Approx.)
Connector	Terminal
B45	1	4	Ignition switch ON	Battery voltage (11 – 14 V)
			Ignition switch OFF	0 V
	5	4	Ignition switch ON	Battery voltage (11 – 14 V)
			Ignition switch OFF	0 V
	14	4	Ignition switch ON	0 V
			Ignition switch OFF	Battery voltage (11 – 14 V)

TCM vehicle side harness connector		TCM relay vehicle side harness connector		Continuity
Connector	Terminal	Connector	Terminal
B45	1	B54	6	Existed
	5
	14		1

TCM vehicle side harness connector		Ground	Continuity
Connector	Terminal
B45	1	Ground	Not existed
	5
	14

TCM relay connector			Condition	Continuity
Connector	Terminal
B54	3	5	Apply battery voltage between terminals 1 and 2	Existed
			Other than the above	Not existed
	6	7	Apply battery voltage between terminals 1 and 2	Existed
			Other than the above	Not existed