NISSAN TEANA 2003 Service Manual

PNP, 3RD POSITION SWITCH AND CLOSED THROTTLE, WIDE OPEN THROT-
TLE POSITION SIGNAL
AT-163
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3. CHECK PNP SWITCH CIRCUIT (WITHOUT CONSULT-II)
Without CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector F105 terminals and
ground while moving selector lever through each position. Refer
to AT- 1 6 8 , "
Wiring Diagram — AT — NONDTC" .
B: Battery voltage
0: 0V
OK or NG
OK >> GO TO 7.
NG >> GO TO 4.
4. CHECK PNP SWITCH
Check PNP switch. Refer to AT- 1 6 6 , "
PNP SWITCH" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5. DETECT MALFUNCTIONING ITEM
Check the following items:

Harness for short or open between ignition switch and PNP switch.

Harness for short or open between PNP switch and TCM.

Harness for short or open between unified meter and A/C amp and PNP switch.

Harness for short or open between unified meter and A/C amp and TCM.

10A fuse (No.14, located in the fuse block)

Unified meter and A/C amp. Refer to DI-27, "UNIFIED METER AND A/C AMP" .

Ignition switch. Refer to PG-3, "POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
Lever positionTerminal
36 35 34 27 26
“P”, “N” B 0 0 0 0
“R” 0 B 0 0 0
“D”·“3” 0 0 B 0 0
“2” 0 0 0 B 0
“1” 0 0 0 0 B
SCIA4343E

AT-164
PNP, 3RD POSITION SWITCH AND CLOSED THROTTLE, WIDE OPEN THROT-
TLE POSITION SIGNAL

6. CHECK 3RD POSITION SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Read out “OVERDRIVE SW” switch moving selector lever to
each position.
Without CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between A/T device harness connector terminal
and ground. Refer to AT- 1 6 8 , "
Wiring Diagram — AT — NON-
DTC" .
OK or NG
OK >> GO TO 9.
NG >> GO TO 7.
7. CHECK 3RD POSITION SWITCH
Check 3rd position switch. Refer to AT- 1 6 6 , "
3RD POSITION SWITCH" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
8. DETECT MALFUNCTIONING ITEM
Check the following items:

Harness for short or open between A/T device and ground.

Harness for short or open between unified meter and A/C amp and A/T device.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
Item name Condition Display value
OVERDRIVE SWWhen setting selector lever to
“3” and “2” positions.ON
When setting selector lever to
other positions.OFF
SCIA4730E
Item Connector Terminal ConditionData
(Approx.)
3rd position
switchM62 1 - GroundWhen setting
selector lever to
“3” and “2” posi-
tions.0V
When setting
selector lever to
other positions.Battery
voltage
SCIA7858E

PNP, 3RD POSITION SWITCH AND CLOSED THROTTLE, WIDE OPEN THROT-
TLE POSITION SIGNAL
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9. CHECK CLOSED THROTTLE POSITION AND WIDE OPEN THROTTLE POSITION SIGNAL CIRCUIT
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for A/T with CONSULT-II.
3. Read out “CLOSED THL/SW” and “W/O THRL/P-SW” depressing and releasing accelerator pedal.
Check the signal of throttle position signal is indicated properly.
OK or NG
OK >> GO TO 10.
NG >> Check the following items. If any items are damaged, repair or replace damaged parts.

Accelerator pedal position sensor. Refer to EC-272, "DTC P2138 APP SENSOR" (QR engine)
or EC-652, "
DTC P2138 APP SENSOR" (VQ engine).
10. CHECK DTC
Without CONSULT-II
Perform self-diagnosis. Refer to AT- 7 6 , "
Diagnostic Procedure Without CONSULT-II" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 11.
11 . CHECK TCM
1. Check TCM input/output signals. Refer to AT- 6 4 , "
TCM Terminals and Reference Value" .
2. If NG, re-check TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
SCIA4731E
Accelerator pedal conditionDATA MONITOR
CLOSED THL/SW W/O THRL/P-SW
Released ON OFF
Fully depressed OFF ON

AT-166
PNP, 3RD POSITION SWITCH AND CLOSED THROTTLE, WIDE OPEN THROT-
TLE POSITION SIGNAL

Component InspectionBCS001PQ
3RD POSITION SWITCH

Check continuity between A/T device harness connector termi-
nals.
PNP SWITCH
1. Check continuity between PNP switch harness connector termi-
nals.
2. If NG, check again with control cable disconnected from manual
shaft of A/T assembly. Refer to step 1.
3. If OK on step 2, adjust control cable. Refer to AT- 2 1 5 , "
Adjust-
ment of A/T Position" .
4. If NG on step 2, remove PNP switch from A/T assembly and
check continuity of PNP switch terminals. Refer to step 1.
5. If OK on step 4, adjust PNP switch. Refer to AT- 2 3 1 , "
PA R K /
NEUTRAL POSITION (PNP) SWITCH ADJUSTMENT" .
6. If NG on step 4, replace PNP switch. Refer to AT- 2 3 0 , "
Park/
Neutral Position (PNP) Switch" .
Item Connector Terminal Condition Continuity
3rd position switch M62 1 - 2When setting selector
lever to “3” and “2”
positions.Ye s
When setting selector
lever to other positions.No
SCIA3309E
Selector lever position Connector Terminal Continuity
“P”
F241 - 2, 3 - 7
Ye s
*Continuity
should not
exist in posi-
tions other
than the
specified
positions. “R” 3 - 8
“N” 1 - 2, 3 - 9
“D”·“3” 3 - 6
“2” 3 - 5
“1” 3 - 4
SCIA3553E
SCIA3156E

BRAKE SIGNAL CIRCUIT
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BRAKE SIGNAL CIRCUITPFP:25320
CONSULT-II Reference ValueBCS0026P
Diagnostic ProcedureBCS0026Q
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to AT- 6 9 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 7 6 , "Diagnostic Proce-
dure Without CONSULT-II" .
Is a malfunction in the CAN communication indicated in the results?
YES >> Check CAN communication line. Refer toAT- 1 3 3 , "CAN COMMUNICATION LINE" .
NO >> GO TO 2.
2. CHECK STOP LAMP SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Read out ON/OFF switching action of the “BRAKE SW”.
OK or NG
OK >>INSPECTION END
NG >> GO TO 3.
3. CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch harness connector termi-
nals. Refer to AT- 1 6 8 , "
Wiring Diagram — AT — NONDTC" .
Check stop lamp switch after adjusting brake pedal — refer to
BR-6, "
BRAKE PEDAL" .
OK or NG
OK >> Check the following. If NG, repair or replace damaged
parts.

Harness for short or open between battery and stop lamp switch.

Harness for short or open between stop lamp switch and unified meter and A/C amp.

10A fuse (No.20, located in fuse block).
NG >> Repair or replace the stop lamp switch.
Item name Condition Display value
BRAKE SWDepressed brake pedal. ON
Released brake pedal. OFF
Item name Condition Display value
BRAKE SWDepressed brake pedal. ON
Released brake pedal. OFF
SCIA7913E
Condition Continuity
When brake pedal is depressed Yes
When brake pedal is released No
SCIA2126E

AT-168
TROUBLE DIAGNOSIS FOR SYMPTOMS

TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
Wiring Diagram — AT — NONDTCBCS00148
TCWM0520E

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-169
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TCWM0521E

AT-170
TROUBLE DIAGNOSIS FOR SYMPTOMS

TCWM0522E

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-171
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TCWM0555E

AT-172
TROUBLE DIAGNOSIS FOR SYMPTOMS

Data are reference value and are measured between each terminal and ground.
**: These terminals are connected to the data link connector.Terminal Wire color Item ConditionJudgement standard
(Approx.)
5 L CAN-H — —
6 P CAN-L — —
26 V/WPNP switch “1” posi-
tion
and When setting selector
lever to “1” position.Battery voltage
When setting selector
lever to other posi-
tions.0V
27 P/BPNP switch “2” posi-
tionWhen setting selector
lever to “2” position.Battery voltage
When setting selector
lever to other posi-
tions.0V
30** BR/Y CONSULT- II (RX) — —
31** Y/B CONSULT- II (TX) — —
34 BRPNP switch “D” posi-
tion
and When setting selector
lever to “D” and “3”
positions.Battery voltage
When setting selector
lever to other posi-
tions.0V
35 G/WPNP switch “R” posi-
tionWhen setting selector
lever to “R” position.Battery voltage
When setting selector
lever to other posi-
tions.0V
36 R/BPNP switch “N” or “P”
positionWhen setting selector
lever to “N” or “P”
position.Battery voltage
When setting selector
lever to other posi-
tions.0V