2007 INFINITI QX56 service

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INFINITI QX56 2007  Factory Service Manual BASIC SERVICE PROCEDURE
EC-81
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4. Install Fuel Pressure Adapter J-44321-6 and Fuel Pressure
Gauge (from kit J-44321) as shown in figure.
• Do n

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INFINITI QX56 2007  Factory Service Manual EC-82
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
TROUBLE DIAGNOSIS
Trouble Diagnosis IntroductionINFOID:0000000003531617
INTRODUCTION
The engine has an ECM to control major systems such as fuel con-
tr

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INFINITI QX56 2007  Factory Service Manual TROUBLE DIAGNOSIS
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Detailed Flow
1.GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the sy

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INFINITI QX56 2007  Factory Service Manual EC-84
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
2.CHECK DTC*1
1. Check DTC*1 .
2. Perform the following procedure if DTC*
1  is displayed.
- Record DTC*
1  and freeze frame data*2 . (Print them out wi

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INFINITI QX56 2007  Factory Service Manual TROUBLE DIAGNOSIS
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7.PERFORM DATA MONITOR (SPEC) MODE
 With CONSULT-II
Make sure that “MAS A/F SE-B1”, “B/FUEL SCHDL”, and “A/F
A

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INFINITI QX56 2007  Factory Service Manual EC-86
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
2. If the completion of SRT is needed, drive vehicle under the specific driving pattern. Refer to
EC-49, "
Emission-related Diagnostic Information" .
3.

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INFINITI QX56 2007  Factory Service Manual TROUBLE DIAGNOSIS
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DTC Inspection Priority ChartINFOID:0000000003531618
If some DTCs are displayed at the same time, perfo

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INFINITI QX56 2007  Factory Service Manual EC-88
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Fail-Safe Chart
INFOID:0000000003531619
When the DTC listed below is detected, the ECM enters fail-safe mode and the MIL lights up.
Priority Detected it