2001 NISSAN X-TRAIL Service Repair Manual

Page 1369 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual DTC P1123 THROTTLE CONTROL MOTOR RELAY
EC-1019
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EC
2. Select “DATA MONITOR” mode with CONSULT-II.
3. If 1st trip DTC is detected, go to EC-1021,  "

Page 1370 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-1020
[QR20(WITH EURO-OBD)]
DTC P1123 THROTTLE CONTROL MOTOR RELAY
Wiring Diagram
EBS00MZT
TBWA0093E

Page 1371 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual DTC P1123 THROTTLE CONTROL MOTOR RELAY
EC-1021
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Diagnostic ProcedureEBS00MZU
1.CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY
1. Turn ignition switch

Page 1372 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-1022
[QR20(WITH EURO-OBD)]
DTC P1123 THROTTLE CONTROL MOTOR RELAY
5. CHECK THROTTLE CONTROL MOTOR RELAY OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check continuity between ECM terminal 112 and thr

Page 1373 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual DTC P1143 HO2S1
EC-1023
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DTC P1143 HO2S1PFP:22690
Component DescriptionEBS00MZW
The  heated  oxygen  sensor  1  is  placed  into  the  exhaust  manifold.

Page 1374 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-1024
[QR20(WITH EURO-OBD)]
DTC P1143 HO2S1
On Board Diagnosis Logic
EBS00MZZ
To judge the malfunction, the output from the heated oxygen sensor
1  is  monitored  to  determine  whether  the  “ric

Page 1375 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual DTC P1143 HO2S1
EC-1025
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6. When  the  following  conditions  are  met,  “TESTING”  will  be  dis-
played on the CONSULT-II screen. Maintain the cond

Page 1376 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-1026
[QR20(WITH EURO-OBD)]
DTC P1143 HO2S1
2. RETIGHTEN HEATED OXYGEN SENSOR 1
Loosen and retighten heated oxygen sensor 1.
>> GO TO 3.
3. CLEAR THE SELF-LEARNING DATA
With CONSULT-II
1. Start engi