Infiniti I35 (A33). Manual — part 70
Shift Lock Control Unit Reference Values
NHAT0281
SHIFT LOCK HARNESS CONNECTOR TERMINAL
LAYOUT
NHAT0281S01
SCIA2004E
SHIFT LOCK CONTROL UNIT INSPECTION TABLE
NHAT0281S02
Data are reference values.
Terminal No.
(Wire color)
Item
Condition
Judgement standard
1
(R/B)
8
(B)
Power source
Always
Battery voltage
2
(L)
8
(B)
Detention switch (for
key)
When selector lever is not in “P” position with
key inserted.
Battery voltage
When selector lever is in “P” position with key
inserted.
Approx. 0V
3
(GY)
8
(B)
Detention switch (for
shift)
When selector lever is not in “P” position.
Battery voltage
When selector lever is in “P” position.
Approx. 0V
4
(R/G)
8
(B)
Stop lamp switch
When brake pedal is depressed
Battery voltage
When brake pedal is released
Approx. 0V
5
(P/L)
8
(B)
Vehicle speed signal
(8pulse signal)
Speed meter is operated
ELF1084D
6
(G/Y)
8
(B)
Ignition signal
Ignition switch: OFF
Approx. 0V
Ignition switch: ON
Battery voltage
7
(R/W)
8
(B)
Shift lock solenoid
I
When selector lever is in “P” position, brake
pedal is depressed, and ignition switch is
ON.
I
When selector lever is not in “P” position,
ignition switch is ON, and vehicle speed is
10 km/h or less.
I
For 3 minutes after selector lever is not in
“P” position, vehicle speed is 10 km/h or
less, and ignition switch is ON
,
OFF.
Approx. 0V
Except the above
Battery voltage
8
(B)
—
Ground
—
Approx. 0V
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
A/T SHIFT LOCK SYSTEM
Shift Lock Control Unit Reference Values
AT-277
Terminal No.
(Wire color)
Item
Condition
Judgement standard
9
(G)
8
(B)
Key lock solenoid
When selector lever is not in “P” position.
Battery voltage for approx. 0.1 sec.
(Note)
When selector lever is in “P” position.
Approx. 0V
10
(W/G)
8
(B)
Key unlock solenoid
When selector lever is in “P” position with
ignition switch is OFF.
Battery voltage for approx. 0.1 sec.
(Note)
When selector lever is not in “P” position with
ignition switch is OFF.
Approx. 0V
NOTE:
Make sure that the pointer swings only momentarily because the output time is so short. If the inspection is done with an oscilloscope,
it should be observed that the power source voltage lasts for 3.5 to 10 ms.
SCIA3167E
Component Inspection
NHAT0280
SHIFT LOCK SOLENOID
NHAT0280S01
I
Check operation by applying battery voltage to the A/T device
harness connector terminal.
CAUTION:
Be sure to apply the voltage of the correct polarity to the
respective terminals. Otherwise, the part may be damaged.
Connector No.
Terminal No. (Wire color)
M223
9 (R/B) (Battery voltage) - 10 (R/W) (Ground)
SCIA3166E
DETENTION SWITCH
NHAT0280S02
For Key:
NHAT0280S0201
I
Check continuity between terminals of the A/T device harness
connector terminals.
Condition
Connector No.
Terminal No.
(Wire color)
Continuity
When selector
lever is in “P”
position.
M223
5 (B/R) - 6 (L)
No
When selector
lever is not in “P”
position.
Yes
A/T SHIFT LOCK SYSTEM
Shift Lock Control Unit Reference Values (Cont’d)
AT-278
SCIA3165E
For shift:
NHAT0280S0202
I
Check continuity between terminals of the A/T device harness
connector terminals.
Condition
Connector No.
Terminal No.
(Wire color)
Continuity
When selector
lever is in “P”
position.
M223
13 (R/B) - 14 (GY)
No
When selector
lever is not in “P”
position.
Yes
SAT851K
KEY LOCK SOLENOID
NHAT0280S03
Key Lock
NHAT0280S0301
I
Check operation by applying battery voltage to key switch and
key lock solenoid connector.
CAUTION:
Be careful not to cause burnout of the harness.
Connector No.
Terminal No. (Wire color)
E154
1 (G) (Battery voltage) - 2 (W/G) (Ground)
SAT597K
Key Unlock
NHAT0280S0302
I
Check operation by applying battery voltage to key switch and
key lock solenoid connector.
CAUTION:
Be careful not to cause burnout of the harness.
Connector No.
Terminal No. (Wire color)
E154
2 (W/G) (Battery voltage) - 1 (G) (Ground)
SAT853K
KEY SWITCH
NHAT0280S04
I
Check continuity between terminals of the key switch and key
lock solenoid connector.
Condition
Connector No.
Terminal No.
(Wire color)
Continuity
Key inserted
E154
3 (R/B) - 4 (B/R)
Yes
Key withdrawn
No
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
A/T SHIFT LOCK SYSTEM
Component Inspection (Cont’d)
AT-279
PCIA0055E
STOP LAMP SWITCH
NHAT0280S05
I
Check continuity between terminals of the stop lamp switch
connector.
Condition
Connector No.
Terminal No.
(Wire color)
Continuity
When brake pedal
is depressed
E85
1 (OR) - 2 (R/G)
Yes
When brake pedal
is released
No
Check stop lamp switch after adjusting brake pedal. Refer to BR-11,
“BRAKE PEDAL AND BRACKET”.
A/T SHIFT LOCK SYSTEM
Component Inspection (Cont’d)
AT-280
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