Page 1928 of 4462
![INFINITI FX35 2006 Service Manual EC-544
[VQ35DE]
DTC P1572 ASCD BRAKE SWITCH
Revision: 2006 December 2006 FX35/FX45
7. CHECK ASCD BRAKE SWITCH
Refer to EC-545, "
Component Inspection"
OK or NG
OK >> GO TO 13.
NG >> Replace ASC INFINITI FX35 2006 Service Manual EC-544
[VQ35DE]
DTC P1572 ASCD BRAKE SWITCH
Revision: 2006 December 2006 FX35/FX45
7. CHECK ASCD BRAKE SWITCH
Refer to EC-545, "
Component Inspection"
OK or NG
OK >> GO TO 13.
NG >> Replace ASC](/manual-img/42/57019/w960_57019-1927.png)
EC-544
[VQ35DE]
DTC P1572 ASCD BRAKE SWITCH
Revision: 2006 December 2006 FX35/FX45
7. CHECK ASCD BRAKE SWITCH
Refer to EC-545, "
Component Inspection"
OK or NG
OK >> GO TO 13.
NG >> Replace ASCD brake switch.
8. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check voltage between stop lamp switch terminal 1 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector E201
10A fuse
Harness for open or short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
10. CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 101 and stop lamp switch terminal 2. Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 12.
NG >> GO TO 11.
PBIB1605E
Voltage: Battery voltage
PBIB1184E
Continuity should exist.
Page 1936 of 4462
EC-552
[VQ35DE]
DTC P1805 BRAKE SWITCH
Revision: 2006 December 2006 FX35/FX45
Wiring DiagramNBS003YA
TBWM1403E
Page 1938 of 4462
![INFINITI FX35 2006 Service Manual EC-554
[VQ35DE]
DTC P1805 BRAKE SWITCH
Revision: 2006 December 2006 FX35/FX45
3. DETECT MALFUNCTIONING PART
Check the following.
10A fuse
Fuse block (J/B) connector E201
Harness for open and short INFINITI FX35 2006 Service Manual EC-554
[VQ35DE]
DTC P1805 BRAKE SWITCH
Revision: 2006 December 2006 FX35/FX45
3. DETECT MALFUNCTIONING PART
Check the following.
10A fuse
Fuse block (J/B) connector E201
Harness for open and short](/manual-img/42/57019/w960_57019-1937.png)
EC-554
[VQ35DE]
DTC P1805 BRAKE SWITCH
Revision: 2006 December 2006 FX35/FX45
3. DETECT MALFUNCTIONING PART
Check the following.
10A fuse
Fuse block (J/B) connector E201
Harness for open and short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect stop lamp switch harness connector.
4. Check harness continuity between ECM terminal 101 and stop lamp switch terminal 2.
Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E211, M41
Harness for open or short between ECM and stop lamp switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
6. CHECK STOP LAMP SWITCH
Refer to EC-555, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace stop lamp switch.
7. CHECK INTERMITTENT INCIDENT
Refer to EC-148, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
Continuity should exist.
PBIB1605E
Page 1942 of 4462
EC-558
[VQ35DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 December 2006 FX35/FX45
Wiring DiagramNBS004J2
TBWM1397E
Page 1944 of 4462
![INFINITI FX35 2006 Service Manual EC-560
[VQ35DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 December 2006 FX35/FX45
2. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector. INFINITI FX35 2006 Service Manual EC-560
[VQ35DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 December 2006 FX35/FX45
2. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector.](/manual-img/42/57019/w960_57019-1943.png)
EC-560
[VQ35DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 December 2006 FX35/FX45
2. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E9.
3. Check continuity between ECM terminal 104 and IPDM E/R terminal 47. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E211, M41
Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK FUSE
1. Disconnect 15A fuse.
2. Check 15A fuse for blown.
OK or NG
OK >> GO TO 8.
NG >> Replace 15A fuse.
5. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I
Check voltage between ECM terminal 3 and ground under the fol-
lowing conditions with CONSULT-II or tester.
OK or NG
OK >> GO TO 8.
NG >> GO TO 6.
6. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect IPDM E/R harness connector E8.
4. Check continuity between ECM terminal 3 and IPDM E/R terminal 42. Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> GO TO 7. Continuity should exist.
Ignition switch Voltage
OFF Approximately 0V
ON Battery voltage
(11 - 14V)
MBIB0028E
Continuity should exist.
Page 1947 of 4462
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION EC-563
[VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 December 2006 FX35/FX45
Wiring DiagramNBS004IU
TBWM1396E
Page 1949 of 4462
![INFINITI FX35 2006 Service Manual DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION EC-565
[VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 December 2006 FX35/FX45
2. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I INFINITI FX35 2006 Service Manual DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION EC-565
[VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 December 2006 FX35/FX45
2. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I](/manual-img/42/57019/w960_57019-1948.png)
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION EC-565
[VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 December 2006 FX35/FX45
2. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I
Check voltage between ECM terminal 3 and ground under the fol-
lowing conditions with CONSULT-II or tester.
OK or NG
OK >> GO TO 10.
NG >> GO TO 3.
3. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect IPDM E/R harness connector E8.
4. Check continuity between ECM terminal 3 and IPDM E/R terminal 42. Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E64, F65
Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-I
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch OFF.
3. Check voltage between ECM terminal 104 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 9.
NG >> GO TO 6.
Ignition switch Voltage
OFF Approximately 0V
ON Battery voltage
(11 - 14V)
MBIB0028E
Continuity should exist.
Voltage: Battery voltage
PBIB1171E
Page 1950 of 4462
![INFINITI FX35 2006 Service Manual EC-566
[VQ35DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2006 December 2006 FX35/FX45
6. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector. INFINITI FX35 2006 Service Manual EC-566
[VQ35DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2006 December 2006 FX35/FX45
6. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector.](/manual-img/42/57019/w960_57019-1949.png)
EC-566
[VQ35DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2006 December 2006 FX35/FX45
6. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E9.
3. Check continuity between ECM terminal 104 and IPDM E/R terminal 47. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> GO TO 7.
7. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E211, M41
Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK FUSE
1. Disconnect 15A fuse.
2. Check 15A fuse for blown.
OK or NG
OK >> GO TO 9.
NG >> Replace 15A fuse.
9. CHECK INTERMITTENT INCIDENT
Refer to EC-148, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace IPDM E/R. Refer to PG-17, "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MOD-
ULE ENGINE ROOM)" .
NG >> Repair or replace harness or connectors.
10. CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Turn ignition switch OFF.
2. Disconnect electric throttle control actuator harness connector.
3. Disconnect ECM harness connector.
4. Check harness continuity between the following terminals. Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 11.
NG >> Repair or replace. Continuity should exist.
Electric throttle control
actuator terminal ECM terminal Continuity
3 5 Should not exist
4 Should exist
6 5 Should exist
4 Should not exist
PBIB1557E