Infiniti FX35 / FX45. Manual - part 43

AT-100

< SERVICE INFORMATION >

DTC P0615 START SIGNAL CIRCUIT

3.

Check continuity between A/T assembly harness connector ter-
minal and TCM connector terminal.

4.

If OK, check harness for short to ground and short to power.

5.

Reinstall any part removed.

OK or NG

OK

>> GO TO 4.

NG

>> Replace open circuit or short to ground and short to power in harness or connectors.

4.

DETECT MALFUNCTIONING ITEM

Check the following.
• Starter relay, Refer to 

SC-8

.

• IPDM E/R, Refer to 

PG-17

.

OK or NG

OK

>> Replace the control valve with TCM. Refer to 

AT-215, "Control Valve with TCM and A/T Fluid Tem-

perature Sensor 2"

.

NG

>> Repair or replace damaged parts.

5.

CHECK DTC

Perform 

AT-97, "DTC Confirmation Procedure"

. 

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

Item

 Connector

Terminal

Continuity

A/T assembly harness con-
nector

F44

9 

Yes

TCM connector 

F502

8 

SCIA5440E

DTC P0700 TCM

AT-101

< SERVICE INFORMATION >

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DTC P0700 TCM

Description

INFOID:0000000001327178

The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The
TCM controls the A/T.

On Board Diagnosis Logic

INFOID:0000000001327179

Diagnostic trouble code “P0700 TCM” with CONSULT-III is detected when TCM is malfunctioning.

Possible Cause

INFOID:0000000001327180

TCM.

DTC Confirmation Procedure

INFOID:0000000001327181

NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.

 WITH CONSULT-III

1.

Turn ignition switch ON.

2.

Select “ECU INPUT SIGNALS” or “MAIN SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION”
with CONSULT-III.

3.

Touch “START”.

4.

Start engine.

5.

Run engine for at least 2 consecutive seconds at idle speed.

6.

If DTC is detected, go to 

AT-101, "Diagnosis Procedure"

.

 WITH GST

Follow the procedure “WITH CONSULT-III”.

Diagnosis Procedure

INFOID:0000000001327182

1.

CHECK DTC

 With CONSULT-III

1.

Turn ignition switch ON.

2.

Select “SELF DIAG RESULTS” mode for “TRANSMISSION” with CONSULT-III.

3.

Touch “ERASE”.

4.

Turn ignition switch OFF and wait at least 10 seconds.

5.

Perform 

AT-101, "DTC Confirmation Procedure"

.

Is the “P0700 TCM” displayed again?

YES

>> Replace the control valve with TCM. Refer to 

AT-215, "Control Valve with TCM and A/T Fluid Tem-

perature Sensor 2"

.

NO

>> INSPECTION END

AT-102

< SERVICE INFORMATION >

DTC P0705 PARK/NEUTRAL POSITION SWITCH

DTC P0705 PARK/NEUTRAL POSITION SWITCH

Description

INFOID:0000000001327183

• The PNP switch includes a transmission range switch.
• The transmission range switch detects the selector lever position and sends a signal to the TCM.

CONSULT-III Reference Value in Data Monitor Mode

INFOID:0000000001327184

On Board Diagnosis Logic

INFOID:0000000001327185

Diagnostic trouble code “P0705 PNP SW/CIRC” with CONSULT-III or 9th judgement flicker without CON-
SULT-III is detected under the following conditions.
• When TCM does not receive the correct voltage signal from the PNP switches 1, 2, 3 and 4 based on the

gear position.

• When no other position but “P” position is detected from “N” position.

Possible Cause

INFOID:0000000001327186

• Harness or connectors

(PNP switches 1, 2, 3 and 4 and TCM circuit is open or shorted.)

• PNP switches 1, 2, 3 and 4 

DTC Confirmation Procedure

INFOID:0000000001327187

CAUTION:

Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.

 WITH CONSULT-III

1.

Turn ignition switch ON.

2.

Select “ECU INPUT SIGNALS” or “MAIN SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION”
with CONSULT-III.

3.

Touch “START”.

4.

Start engine.

5.

Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
ACCELE POSI: More than 1.0/8

6.

If DTC is detected, go to 

AT-103, "Diagnosis Procedure"

.

 WITH GST

Follow the procedure “WITH CONSULT-III”.

Item name

Condition 

Display value

SLCT LVR POSI

Selector lever in “N” and “P” positions.

N/P

Selector lever in “R” position.

R

Selector lever in “D” position.

D

DTC P0705 PARK/NEUTRAL POSITION SWITCH

AT-103

< SERVICE INFORMATION >

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Wiring Diagram - AT - PNP/SW

INFOID:0000000001327188

Diagnosis Procedure

INFOID:0000000001327189

1.

CHECK PNP SW CIRCUIT

 With CONSULT-III

1.

Turn ignition switch ON.

TCWM0248E