Nissan Altima L32. Instruction — part 1501

TM-348

< COMPONENT DIAGNOSIS >

[CVT: RE0F10A]

P0868 SECONDARY PRESSURE DOWN

Check resistance between CVT unit terminal 3 and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace transaxle assembly. Refer to

TM-447,

"Exploded View"

.

CVT unit terminal

Ground

Resistance (Approx.)

3

3.0 – 9.0

Ω

AWDIA0123ZZ

P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY)

TM-349

< COMPONENT DIAGNOSIS >

[CVT: RE0F10A]

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P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY)

Description

INFOID:0000000004201938

When the power supply to the TCM is cut OFF, for example because the battery is removed, and the self-diag-

nosis memory function stops, malfunction is detected.

NOTE:

Since “P1701 TCM-POWER SUPPLY” will be indicated when replacing TCM, perform diagnosis after erasing

“SELF-DIAG RESULTS”

DTC Logic

INFOID:0000000004201939

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

NOTE:

If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch OFF.

Then wait at least 10 seconds before performing the next test.

1.

CHECK DTC DETECTION

With CONSULT-III

1. Turn ignition switch ON.

2. Wait for at least 2 consecutive seconds.

3. Perform “SELF-DIAG RESULTS” mode for “TRANSMISSION”.
Is “P1701 TCM-POWER SUPPLY” detected?

YES

>> Go to

TM-349, "Diagnosis Procedure"

.

NO

>> Check intermittent incident. Refer to

GI-42, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000004201940

1.

CHECK TCM POWER SOURCE

1. Turn ignition switch OFF.

2. Disconnect TCM harness connector.

3. Check voltage between TCM harness connector F16 terminal

46, 48, 45, 47 and 5, 42.

DTC

Item

(CONSULT-III screen term)

Malfunction is detected when...

Possible cause

P1701

TCM-POWER SUPPLY

• When the power supply to the TCM is cut

OFF, for example because the battery is
removed, and the self-diagnosis memory
function stops.

• This is not a malfunction message (When-

ever shutting OFF a power supply to the
TCM, this message appears on the
screen).

Harness or connectors
(Battery or ignition switch and TCM circuit is
open or shorted.)

TCM harness connector

Condition

Voltage

(Approx.)

Connec-

tor

Terminal

F16

46

5, 42

Ignition switch ON

Battery
voltage

Ignition switch OFF

0 V

48

Ignition switch ON

Battery
voltage

Ignition switch OFF

0 V

45

Always

Battery
voltage

47

AWDIA0140ZZ

TM-350

< COMPONENT DIAGNOSIS >

[CVT: RE0F10A]

P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY)

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 2.

2.

CHECK TCM GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between TCM harness connector F16 terminal

5, 42 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK TCM POWER CIRCUIT

1. Turn ignition switch ON.

2. Check voltage between TCM harness connector F16 terminal

46, 48, 45, 47 and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 4.

4.

CHECK HARNESS BETWEEN TCM AND IPDM E/R AND BETWEEN TCM AND BATTERY (PART 1)

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R harness connector F10.

3. Check continuity between TCM harness connector F16 (A) ter-

minal 46, 48 and IPDM E/R harness connector F10 (B) terminal

58.

TCM harness connector

Ground

Continuity

Connector

Terminal

F16

5

Existed

42

AWDIA0141ZZ

TCM vehicle side har-

ness connector

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

F16

46

Ignition switch ON

Battery
voltage

Ignition switch OFF

0 V

48

Ignition switch ON

Battery
voltage

Ignition switch OFF

0 V

45

Always

Battery
voltage

47

AWDIA0142ZZ

TCM harness connector

IPDM E/R harness connector

Continuity

Connector

Terminal

Connector

Terminal

F16 (A)

46

F10 (B)

58

Existed

48

AWDIA0143ZZ

P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY)

TM-351

< COMPONENT DIAGNOSIS >

[CVT: RE0F10A]

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4. Disconnect fuse block J/B harness connector.

5. Check continuity between TCM harness connector F16 (A) ter-

minal 45, 47 and fuse block J/B harness connector E6 terminal

12P.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace damaged parts.

5.

CHECK HARNESS BETWEEN TCM AND IPDM E/R AND BETWEEN TCM AND BATTERY (PART 2)

Check continuity between TCM harness connector F16 terminal 45,

46, 47, 48 and ground.

Is the inspection result normal?

YES

>> Check the following.

• 10A fuse (No. 34, located in IPDM E/R)

• 10A fuse [No. 11, located in fuse block (J/B)]

• Ignition switch. Refer to

PG-74

.

NO

>> Repair or replace damaged parts.

6.

DETECT MALFUNCTIONING ITEMS

Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?

YES

>> Replace TCM. Refer to

TM-430, "Exploded View"

.

NO

>> Repair or replace damaged parts.

TCM harness connector

Fuse block J/B harness connec-

tor

Continuity

Connector

Terminal

Connector

Terminal

F16 (A)

45

E6 (B)

12P

Existed

47

AWDIA0144ZZ

TCM harness connector

Ground

Continuity

Connector

Terminal

F16

45

Not existed

46

47

48

JPDIA1000GB