Nissan Pathfinder (2007 year). Manual — part 15
TROUBLE DIAGNOSIS
AT-91
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2007 Pathfinder
DATA MONITOR MODE
Display Items List
X: Standard, —: Not applicable,
: Option
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU
INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
VHCL/S SE·A/T (km/h)
X
X
Revolution sensor
VHCL/S SE·MTR (km/h)
X
—
ACCELE POSI (0.0/8)
X
—
Accelerator pedal position signal
THROTTLE POSI (0.0/8)
X
X
Degree of opening for accelerator recognized by
the TCM
For fail-safe operation, the specific value used
for control is displayed.
CLSD THL POS (ON-OFF display)
X
—
Signal input with CAN communications
W/O THL POS (ON-OFF display)
X
—
BRAKE SW (ON-OFF display)
X
—
Stop lamp switch
GEAR
—
X
Gear position recognized by the TCM updated
after gear-shifting
ENGINE SPEED (rpm)
X
X
TURBINE REV (rpm)
X
X
OUTPUT REV (rpm)
X
X
GEAR RATIO
—
X
TC SLIP SPEED (rpm)
—
X
Difference between engine speed and torque
converter input shaft speed
F SUN GR REV (rpm)
—
—
F CARR GR REV (rpm)
—
—
ATF TEMP SE 1 (V)
X
—
ATF TEMP SE 2 (V)
X
—
ATF TEMP 1 (
°
C)
—
X
ATF TEMP 2 (
°
C)
—
X
BATTERY VOLT (V)
X
—
ATF PRES SW 1 (ON-OFF display)
X
X
(for FR/B solenoid)
ATF PRES SW 2 (ON-OFF display)
X
X
(for LC/B solenoid)
ATF PRES SW 3 (ON-OFF display)
X
X
(for I/C solenoid)
ATF PRES SW 5 (ON-OFF display)
X
X
(for D/C solenoid)
ATF PRES SW 6 (ON-OFF display)
X
X
(for HLR/C solenoid)
PNP SW 1 (ON-OFF display)
X
—
PNP SW 2 (ON-OFF display)
X
—
PNP SW 3 (ON-OFF display)
X
—
PNP SW 4 (ON-OFF display)
X
—
1 POSITION SW (ON-OFF display)
X
—
1st position switch
AT-92
TROUBLE DIAGNOSIS
2007 Pathfinder
SLCT LVR POSI
—
X
Selector lever position is recognized by the
TCM.
For fail-safe operation, the specific value used
for control is displayed.
OD CONT SW (ON-OFF display)
X
—
POWERSHIFT SW (ON-OFF display)
X
—
Not mounted but displayed.
HOLD SW (ON-OFF display)
X
—
MANU MODE SW (ON-OFF display)
X
—
NON M-MODE SW (ON-OFF display)
X
—
UP SW LEVER (ON-OFF display)
X
—
DOWN SW LEVER (ON-OFF display)
X
—
SFT UP ST SW (ON-OFF display)
—
—
SFT DWN ST SW (ON-OFF display)
—
—
ASCD-OD CUT (ON-OFF display)
—
—
ASCD-CRUISE (ON-OFF display)
—
—
ABS SIGNAL (ON-OFF display)
—
—
ACC OD CUT (ON-OFF display)
—
—
Not mounted but displayed.
ACC SIGNAL (ON-OFF display)
—
—
TCS GR/P KEEP (ON-OFF display)
—
—
TCS SIGNAL 2 (ON-OFF display)
—
—
TCS SIGNAL 1 (ON-OFF display)
—
—
TCC SOLENOID (A)
—
X
LINE PRES SOL (A)
—
X
I/C SOLENOID (A)
—
X
FR/B SOLENOID (A)
—
X
D/C SOLENOID (A)
—
X
HLR/C SOL (A)
—
X
ON OFF SOL (ON-OFF display)
—
—
LC/B solenoid
TCC SOL MON (A)
—
—
L/P SOL MON (A)
—
—
I/C SOL MON (A)
—
—
FR/B SOL MON (A)
—
—
D/C SOL MON (A)
—
—
HLR/C SOL MON (A)
—
—
ONOFF SOL MON (ON-OFF display)
—
—
LC/B solenoid
P POSI IND (ON-OFF display)
—
—
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU
INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
TROUBLE DIAGNOSIS
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2007 Pathfinder
R POSI IND (ON-OFF display)
—
—
N POSI IND (ON-OFF display)
—
—
D POSI IND (ON-OFF display)
—
—
4TH POSI IND (ON-OFF display)
—
—
3RD POSI IND (ON-OFF display)
—
—
2ND POSI IND (ON-OFF display)
—
—
1ST POSI IND (ON-OFF display)
—
—
MANU MODE IND (ON-OFF display)
—
—
Not mounted but displayed.
POWER M LAMP (ON-OFF display)
—
—
F-SAFE IND/L (ON-OFF display)
—
—
ATF WARN LAMP (ON-OFF display)
—
—
BACK-UP LAMP (ON-OFF display)
—
—
STARTER RELAY (ON-OFF display)
—
—
PNP SW3 MON (ON-OFF display)
—
—
C/V CLB ID1
—
—
C/V CLB ID2
—
—
C/V CLB ID3
—
—
UNIT CLB ID1
—
—
UNIT CLB ID2
—
—
UNIT CLB ID3
—
—
TRGT GR RATIO
—
—
TRGT PRES TCC (kPa)
—
—
TRGT PRES L/P (kPa)
—
—
TRGT PRES I/C (kPa)
—
—
TRGT PRE FR/B (kPa)
—
—
TRGT PRES D/C (kPa)
—
—
TRG PRE HLR/C (kPa)
—
—
SHIFT PATTERN
—
—
DRV CST JUDGE
—
—
START RLY MON
—
—
NEXT GR POSI
—
—
SHIFT MODE
—
—
MANU GR POSI
—
—
VEHICLE SPEED (km/h)
—
X
Vehicle speed recognized by the TCM.
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU
INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
AT-94
TROUBLE DIAGNOSIS
2007 Pathfinder
CAN DIAGNOSTIC SUPPORT MONITOR MODE
Refer to
LAN-13, "CAN Diagnostic Support Monitor"
.
DTC WORK SUPPORT MODE
Display Items List
*: Do not use, but displayed.
Voltage (V)
—
—
Displays the value measured by the voltage
probe.
Frequency (Hz)
—
—
The value measured by the pulse probe is dis-
played.
DUTY-HI (high) (%)
—
—
DUTY-LOW (low) (%)
—
—
PLS WIDTH-HI (ms)
—
—
PLS WIDTH-LOW (ms)
—
—
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU
INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
DTC work support item
Description
Check item
I/C SOL FUNCTN CHECK*
—
—
FR/B SOL FUNCTN CHECK*
—
—
D/C SOL FUNCTN CHECK*
—
—
HLR/C SOL FUNCTN CHECK*
—
—
LC/B SOL FUNCTN CHECK*
—
—
TCC SOL FUNCTN CHECK
Following items for “TCC solenoid function (lock-up) ” can be con-
firmed.
●
Self-diagnosis status (whether the diagnosis is being conducted
or not)
●
Self-diagnosis result (OK or NG)
●
TCC solenoid valve
●
Hydraulic control circuit
TROUBLE DIAGNOSIS
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2007 Pathfinder
Diagnostic Procedure Without CONSULT-II
ECS00EFH
OBD-II SELF-DIAGNOSTIC PROCEDURE (WITH GST)
Refer to
EC-126, "Generic Scan Tool (GST) Function"
.
OBD-II SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
Refer to
AT-42, "Malfunction Indicator Lamp (MIL)"
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
Description
When the ignition switch is switched “ON”, the O/D OFF indicator lamp lights up for 2 seconds. As a method
for locating the suspect circuit, when the self-diagnostics start signal is input, the memory for the malfunction
location is output and the O/D OFF indicator lamp flashes to display the corresponding DTC.
Diagnostic Procedure
1.
CHECK O/D OFF INDICATOR LAMP
1.
Start the engine with selector lever in “P” position. Warm engine to normal operating temperature.
2.
Turn ignition switch ON and OFF at least twice, then leave it in the OFF position.
3.
Wait 10 seconds.
4.
Turn ignition switch ON. (Do not start engine.)
Does O/D OFF indicator lamp come on for about 2 seconds?
YES
>> GO TO 2.
NO
>> GO TO
AT-177, "O/D OFF Indicator Lamp Does Not Come On"
2.
JUDGEMENT PROCEDURE STEP 1
1.
Turn ignition switch OFF.
2.
Push shift lock release button.
3.
Move selector lever from “P” to “D” position.
4.
Release accelerator pedal. (Set the closed throttle position signal “ON”.)
5.
Depress brake pedal. (Stop lamp switch signal “ON”.)
6.
Turn ignition switch ON.
7.
Wait 3 seconds.
8.
Move the selector lever from “D” to “3” position.
9.
Release brake pedal. (Stop lamp switch signal “OFF”.)
10. Move the selector lever from “3” to “2” position.
11. Depress brake pedal. (Stop lamp switch signal “ON”.)
12. Depress accelerator pedal fully and release it.
>> GO TO 3.
3.
CHECK SELF-DIAGNOSIS CODE
Check O/D OFF indicator lamp.
Refer to
AT-96, "Judgement Self-diagnosis Code"
.
If the system does not go into self-diagnostics. Refer to
AT-105, "DTC P0705 PARK/NEUTRAL POSITION
,
AT-171, "CLOSED THROTTLE POSITION AND WIDE OPEN THROTTLE POSITION CIRCUIT"
AT-172, "BRAKE SIGNAL CIRCUIT"
>> DIAGNOSIS END
AT-96
TROUBLE DIAGNOSIS
2007 Pathfinder
Judgement Self-diagnosis Code
If there is a malfunction, the lamp lights up for the time corresponding to the suspect circuit.
Erase Self-diagnosis
●
In order to make it easier to find the cause of hard-to-duplicate malfunctions, malfunction information is
stored into the control unit as necessary during use by the user. This memory is not erased no matter how
many times the ignition switch is turned ON and OFF.
●
However, this information is erased by turning ignition switch OFF after executing self-diagnostics or by
erasing the memory using the CONSULT-II.
SCIA4758E
DTC U1000 CAN COMMUNICATION LINE
AT-97
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DTC U1000 CAN COMMUNICATION LINE
PFP:23710
Description
ECS00EFI
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent malfunction detection ability.
Many electronic control units are equipped onto a vehicle, and each control unit shares information and links
with other control units during operation (not independent). In CAN communication, control units are con-
nected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission
with less wiring. Each control unit transmits/receives data but selectively reads required data only.
On Board Diagnosis Logic
ECS00EFJ
●
This is an OBD-II self-diagnostic item.
●
Diagnostic trouble code “U1000 CAN COMM CIRCUIT” with CONSULT-II or 17th judgement flicker with-
out CONSULT-II is detected when TCM cannot communicate to other control units.
Possible Cause
ECS00EFK
Harness or connectors
(CAN communication line is open or shorted.)
DTC Confirmation Procedure
ECS00EFL
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-II
1.
Turn ignition switch “ON”. (Do not start engine.)
2.
Select “DATA MONITOR” mode for “ENGINE” with CONSULT-II.
3.
Start engine and wait for at least 6 seconds.
4.
If DTC is detected, go to
WITH GST
Follow the procedure “WITH CONSULT-II”.
BCIA0031E
AT-98
DTC U1000 CAN COMMUNICATION LINE
2007 Pathfinder
Wiring Diagram — AT — CAN
ECS00EFM
BCWA0320E
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