2007 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2007  Factory Service Manual NAVIGATION SYSTEM
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• During normal driving, distance error caused by tire wear and tire
pressure change is automatically adjusted for by

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INFINITI QX56 2007  Factory Service Manual AV-110
< SERVICE INFORMATION >
NAVIGATION SYSTEM
6. Display status of CAN communication.
• If the ignition is turned on and UNKWN is shown on the screen, the value of the counter will be up. (MAX50)

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INFINITI QX56 2007  Factory Service Manual NAVIGATION SYSTEM
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1. Turn ignition switch OFF. 
2. Check continuity between the following NAVI control unit con-
nector terminals and gro

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INFINITI QX56 2007  Factory Service Manual AV-112
< SERVICE INFORMATION >
NAVIGATION SYSTEM
Power Supply and Ground Circuit Inspection for Display Unit
INFOID:0000000003533726
1. CHECK POWER SUPPLY AND GROUND CIRCUIT FOR DISPLAY CONTROL UNIT
1

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INFINITI QX56 2007  Factory Service Manual NAVIGATION SYSTEM
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1. Turn ignition switch OFF.
2. Check continuity between display unit harness connector M93
terminals 13, 14 and ground

Page 654 of 3061

INFINITI QX56 2007  Factory Service Manual AV-114
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NAVIGATION SYSTEM
1. Disconnect AV switch connector. 
2. Check voltage between connector terminals and ground as fol-
lows.
OK or NG
OK >> GO TO 3.
NG >> Check harness f

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INFINITI QX56 2007  Factory Service Manual NAVIGATION SYSTEM
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1. Connect NAVI control unit connector.
2. Turn ignition switch ON.
3. Check voltage between NAVI control unit harness

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INFINITI QX56 2007  Factory Service Manual AV-116
< SERVICE INFORMATION >
NAVIGATION SYSTEM
1. Connect display control unit connector.
2. Turn ignition switch ON.
3. Check voltage between display control unit harness connector
M94 terminal 16