Infiniti M35/M45 Y50. Manual — part 531
DTC P1805 BRAKE SWITCH
EC-597
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Component Inspection
NBS0055W
STOP LAMP SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp switch harness connector.
3.
Check harness continuity between stop lamp switch terminals 1
and 2 under the following conditions.
4.
If NG, adjust stop lamp switch installation, refer to
ICC BRAKE HOLD RELAY
1.
Check continuity between ICC brake hold relay terminals 3 and
5 under the following conditions.
2.
If NG, replace ICC brake hold relay.
Condition
Continuity
When brake pedal: Fully released.
Should not exist.
When brake pedal: Slightly depressed.
Should exist.
PBIA9489J
Condition
Continuity
12V direct current supply between terminals
1 and 2
Should not exist
No current supply
Should exist
PBIB0098E
EC-598
[VQ35DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
PFP:16119
Component Description
NBS0055X
Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle
control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends
an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition
switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not
provided to the ECM.
CONSULT-II Reference Value in Data Monitor Mode
NBS0055Y
Specification data are reference values.
On Board Diagnosis Logic
NBS0055Z
These self-diagnoses have the one trip detection logic.
FAIL-SAFE MODE
When the malfunction is detected, ECM enters fail-safe mode and the MlL lights up.
DTC Confirmation Procedure
NBS00560
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
PROCEDURE FOR DTC P2100
With CONSULT-II
1.
Turn ignition switch ON and wait at least 2 seconds.
2.
Select “DATA MONITOR””mode with CONSULT-II.
3.
Start engine and let it idle for 5 seconds.
4.
If DTC is detected, go to
EC-601, "Diagnostic Procedure"
.
With GST
Follow the procedure “With CONSULT-II” above.
MONITOR ITEM
CONDITION
SPECIFICATION
THRTL RELAY
●
Ignition switch: ON
ON
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P2100
2100
Throttle control motor
relay circuit open
ECM detects a voltage of power source for
throttle control motor is excessively low.
●
Harness or connectors
(Throttle control motor relay circuit is
open)
●
Throttle control motor relay
P2103
2103
Throttle control motor
relay circuit short
ECM detect the throttle control motor relay is
stuck ON.
●
Harness or connectors
(Throttle control motor relay circuit is
shorted)
●
Throttle control motor relay
Engine operating condition in fail-safe mode
ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return
spring.
SEF058Y
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
EC-599
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
PROCEDURE FOR DTC P2103
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8V.
With CONSULT-II
1.
Turn ignition switch ON and wait at least 1 second.
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
EC-601, "Diagnostic Procedure"
.
With GST
Follow the procedure “With CONSULT-II” above.
SEF058Y
EC-600
[VQ35DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Wiring Diagram
NBS00561
TBWT1479E
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