Infiniti EX35. Manual - part 1424

TM-84

< COMPONENT DIAGNOSIS >

[5AT: RE5R05A]

P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION

NO

>> Repair or replace damaged parts.

P1815 MANUAL MODE SWITCH

TM-85

< COMPONENT DIAGNOSIS >

[5AT: RE5R05A]

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P1815 MANUAL MODE SWITCH

Description

INFOID:0000000003130553

Manual mode switch is installed in control device assembly. It transmits manual mode switch, shift up and shift
down switch signals to unified meter and A/C amp. Then unified meter and A/C amp. transmits signals to TCM
with CAN communication.
TCM transmits the switch signals to unified meter and A/C amp. by CAN communication line. Then manual
mode switch position is indicated on the A/T indicator. For inspection, refer to 

TM-91

.

DTC Logic

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DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.
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.

Start the engine.

2.

Select “Data Monitor” mode for “TRANSMISSION”.

3.

Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.

Is “P1815 MANU MODE SW/CIRC” detected?

YES

>> Go to 

TM-85, "Diagnosis Procedure"

.

NO

>> Check intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

Diagnosis Procedure

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1.

CHECK MANUAL MODE SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect control device connector.

3.

Turn ignition switch ON.

4.

Check voltage between control device vehicle side harness connector terminals.

DTC

Item

(CONSULT-III screen 

terms)

A/T CHECK indicator 
lamp judgment flicker

Diagnostic item is detect-

ed when...

Possible cause

P1815

MANU MODE SW/CIRC

—

TCM monitors manual 
mode, non manual 
mode, up or down switch 
signal, and detects as ir-
regular when impossible 
input pattern occurs 2 
second or more.

• Harness or connectors

(These switches circuit 
is open or shorted.)

• Manual mode select 

switch (Into control de-
vice)

• Manual mode position 

select switch (Into con-
trol device)

MANU MODE SW

: ON

TM-86

< COMPONENT DIAGNOSIS >

[5AT: RE5R05A]

P1815 MANUAL MODE SWITCH

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK MANUAL MODE SWITCH

Check manual mode switch. Refer to 

TM-87, "Component Inspection (Manual Mode Switch)"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK MALFUNCTIONING ITEM

Check the following.
• Check terminals of control device harness connector and harness cladding for damage.
• Check connector for loose connection.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace damaged parts.

4.

CHECK GROUND CIRCUIT 

Check continuity between control device vehicle side harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace damaged parts.

5.

CHECK HARNESS BETWEEN CONTROL DEVICE AND UNIFIED METER AND A/C AMP. (STEP 1)

1.

Turn ignition switch OFF.

2.

Disconnect unified meter and A/C amp. connector.

3.

Check continuity between control device vehicle side harness connector terminals and unified meter and
A/C amp. vehicle side harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace damaged parts.

6.

CHECK HARNESS BETWEEN CONTROL DEVICE AND UNIFIED METER AND A/C AMP. (STEP 2)

Check continuity between control device vehicle side harness connector terminals and ground.

Control device vehicle side harness connector

Voltage (Approx.)

Connector

Terminal

M137

1

4

Battery voltage

2

3

5

Control device vehicle side harness connector

Ground

Continuity

Connector

Terminal

M137

4

Existed

Control device vehicle side harness connector

Unified meter and A/C amp. vehicle side harness 

connector

Continuity

Connector

Terminal

Connector

Terminal

M137

1

M66

10

Existed

2

25

3

5

5

11

P1815 MANUAL MODE SWITCH

TM-87

< COMPONENT DIAGNOSIS >

[5AT: RE5R05A]

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Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace damaged parts.

7.

CHECK MALFUNCTIONING ITEM

Check the following.
• Check terminals of unified meter and A/C amp. connector for damage.
• Check connector for loose connection.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace damaged parts.

8.

CHECK UNIFIED METER AND A/C AMP.

1.

Reconnect all the connectors.

2.

Turn ignition switch ON.

3.

Select “M RANGE SW”, “NM RANGE SW”, “AT SFT UP SW” and “AT SFT DWN SW” on “Data Monitor”
mode for “METER/M&A”, and check the On/Off operations of each monitor item. Refer to 

MWI-85, "Refer-

ence Value"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Replace unified meter and A/C amp. Refer to 

MWI-163, "Exploded View"

.

9.

CHECK TCM POWER SUPPLY AND GROUND CIRCUIT

Check TCM power supply and ground circuit. Refer to 

TM-89, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace the control valve with TCM. Refer to 

TM-162, "Exploded View"

.

NO

>> Repair or replace damaged parts.

Component Inspection (Manual Mode Switch)

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1.

CHECK MANUAL MODE SWITCH

Check continuity between terminals.

Is the inspection result normal?

YES

>> INSPECTION END

Control device vehicle side harness connector

Ground

Continuity

Connector

Terminal

M137

1

Not existed

2

3

5

Control device harness connector

Condition

Continuity

Connector Terminal

M137

1

4

Selector lever: Manual (Neutral)

Existed

Other than the above

Not existed

2

Selector lever: DOWN (

−

 side)

Existed

Other than the above

Not existed

3

Selector lever: UP (+ side)

Existed

Other than the above

Not existed

5

Selector lever: “D” position (Auto)

Existed

Other than the above

Not existed