Infiniti Q45 (FY33). Manual — part 21
SAT557IA
Park/Neutral Position (PNP) Switch
DESCRIPTION
I
The PNP switch assemble includes a transmission range
switch.
I
The transmission range switch detects the selector position
and sends a signal to the TCM.
TCM TERMINALS AND REFERENCE VALUE
Remarks: Specification data are reference values.
Terminal
No.
Wire color
Item
Condition
Judgement
standard
(Approx.)
16
PU/W
PNP switch “1”
position
When setting selector lever to “1”
position.
Battery voltage
When setting selector lever to other
positions.
0V
17
P/B
PNP switch “2”
position
When setting selector lever to “2”
position.
Battery voltage
When setting selector lever to other
positions.
0V
18
Y/PU
PNP switch “D”
position
When setting selector lever to “D”
position.
Battery voltage
When setting selector lever to other
positions.
0V
19
R/G
PNP switch “N”
or “P” position
When setting selector lever to “N” or
“P” position.
Battery voltage
When setting selector lever to other
positions.
0V
20
L/W
PNP switch “R”
position
When setting selector lever to “R”
position.
Battery voltage
When setting selector lever to other
positions.
0V
ON BOARD DIAGNOSIS LOGIC
Diagnostic trouble code
Malfunction is detected when ...
Check item (Possible cause)
: PNP SW/CIRC
TCM does not receive the correct volt-
age signal from the switch based on
the gear position.
I
Harness or connectors
(The PNP switch circuit is open or
shorted.)
I
PNP switch
: P0705
GI
MA
EM
LC
EC
FE
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
TROUBLE DIAGNOSIS FOR DTC P0705
AT-81
SAT014K
SEF949Y
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMA-
TION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DURE” has been previously conducted, always turn ignition
switch “OFF” and wait at least 5 seconds before conducting
the next test.
After the repair, perform the following procedure to confirm the
malfunction is eliminated.
1)
Turn ignition switch “ON”.
2)
Select “DATA MONITOR” mode for “ENGINE” with
CONSULT-II.
3)
Start engine and maintain the following conditions for at
least 5 consecutive seconds.
VHCL SPEED SE: 10 km/h (6 MPH) or more
THRTL POS SEN: More than 1.3V
Selector lever: D position (OD “ON” or “OFF”)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ OR ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Follow the procedure “With CONSULT-II”.
TROUBLE DIAGNOSIS FOR DTC P0705
Park/Neutral Position (PNP) Switch (Cont’d)
AT-82
SAT737J
SAT912I
DIAGNOSTIC PROCEDURE
INSPECTION START
CHECK PARK/NEUTRAL POSITION
SWITCH CIRCUIT.
1. Turn ignition switch to “ON”
position.
(Do not start engine.)
2. Select “TCM INPUT SIGNALS”
in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Read out “P/N”, “R”, “D”, “2” and
“1” position switches moving
selector lever to each position.
Check the signal of the selector
lever position is indicated prop-
erly.
-------------------------------------------------------------------------------------------------------------------------------------- OR --------------------------------------------------------------------------------------------------------------------------------------
1. Turn ignition switch to “ON”
position. (Do not start engine.)
2. Check voltage between TCM
terminals
q
16
,
q
17
,
q
18
,
q
19
,
q
20
and
ground while moving selector
lever through each position.
Voltage:
B: Battery voltage
0: 0V
OK
E
NG
Check the following items:
I
10A fuse [No.
18
,
located in the fuse block
(J/B)]
I
PNP switch
Refer to “Component
Inspection”, AT-84.
I
Harness for short or
open between ignition
switch and PNP switch
(Main harness)
I
Harness for short or
open between PNP
switch and TCM (Main
harness)
I
Ignition switch
Refer to EL section
(“POWER SUPPLY
ROUTING”).
I
Diode (P, N positions)
Perform DIAGNOSTIC TROUBLE CODE
(DTC) CONFIRMATION PROCEDURE,
AT-82.
OK
E
NG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
Lever position
Terminal No.
q
19
q
20
q
18
q
17
q
16
P, N
B
0
0
0
0
R
0
B
0
0
0
D
0
0
B
0
0
2
0
0
0
B
0
1
0
0
0
0
B
GI
MA
EM
LC
EC
FE
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
TROUBLE DIAGNOSIS FOR DTC P0705
Park/Neutral Position (PNP) Switch (Cont’d)
H
H
H
AT-83
SAT517GB
SAT051JA
COMPONENT INSPECTION
Park/neutral position switch
1.
Check continuity between terminals
q
1
and
q
2
and between
terminals
q
3
and
q
5
,
q
6
,
q
7
,
q
8
,
q
9
,
q
10
while moving man-
ual shaft through each position.
Lever position
Terminal No.
P
q
1
—
q
2
q
3
—
q
7
R
q
3
—
q
8
N
q
1
—
q
2
q
3
—
q
9
D
q
3
—
q
6
2
q
3
—
q
10
1
q
3
—
q
5
SAT052J
2.
If NG, check again with manual control linkage disconnected
from manual shaft of A/T assembly. Refer to step 1.
3.
If OK on step 2, adjust manual control linkage. Refer to AT-197.
SAT053JA
4.
If NG on step 2, remove PNP switch from A/T and check con-
tinuity of PNP switch terminals. Refer to step 1.
5.
If OK on step 4, adjust PNP switch. Refer to AT-197.
6.
If NG on step 4, replace PNP switch.
TROUBLE DIAGNOSIS FOR DTC P0705
Park/Neutral Position (PNP) Switch (Cont’d)
AT-84
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