2007 INFINITI QX56 Factory Service Manual

Page 1225 of 3061

INFINITI QX56 2007  Factory Service Manual EC-142
< SERVICE INFORMATION >
POWER SUPPLY AND GROUND CIRCUIT
3. Check voltage between ECM terminals 119, 120 and ground
with CONSULT-II or tester.
OK or NG
OK >> GO TO 13.
NG (Battery voltage does n

Page 1226 of 3061

INFINITI QX56 2007  Factory Service Manual POWER SUPPLY AND GROUND CIRCUIT
EC-143
< SERVICE INFORMATION >
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13.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground three screws on t

Page 1227 of 3061

INFINITI QX56 2007  Factory Service Manual EC-144
< SERVICE INFORMATION >
POWER SUPPLY AND GROUND CIRCUIT
• If several wires are crimped into one ground eyelet terminal, check for proper crimps. Make sure all of the
wires are clean, securely

Page 1228 of 3061

INFINITI QX56 2007  Factory Service Manual DTC U1000, U1001 CAN COMMUNICATION LINE
EC-145
< SERVICE INFORMATION >
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DTC U1000, U1001 CAN COMMUNICATION LINE
DescriptionINFOID:0000000003531639
CAN (Controller Area N

Page 1229 of 3061

INFINITI QX56 2007  Factory Service Manual EC-146
< SERVICE INFORMATION >
DTC U1000, U1001 CAN COMMUNICATION LINE
Wiring Diagram
INFOID:0000000003531642
Diagnosis ProcedureINFOID:0000000003531643
Go to LAN-44, "CAN System Specification Chart".

Page 1230 of 3061

INFINITI QX56 2007  Factory Service Manual DTC U1010 CAN COMMUNICATION
EC-147
< SERVICE INFORMATION >
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DTC U1010 CAN COMMUNICATION
DescriptionINFOID:0000000003531644
CAN (Controller Area Network) is a serial comm

Page 1231 of 3061

INFINITI QX56 2007  Factory Service Manual EC-148
< SERVICE INFORMATION >
DTC U1010 CAN COMMUNICATION
2.REPLACE ECM
1. Replace ECM.
2. Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to

Page 1232 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0011, P0021 IVT CONTROL
EC-149
< SERVICE INFORMATION >
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DTC P0011, P0021 IVT CONTROL
DescriptionINFOID:0000000003531648
SYSTEM DESCRIPTION
*: This signal is sent to