Infiniti QX56 (Z62). Manual - part 882

LAN

DIAGNOSIS SYSTEM (CAN GATEWAY)

LAN-105

< SYSTEM DESCRIPTION >

[CAN GATEWAY]

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DIAGNOSIS SYSTEM (CAN GATEWAY)

CONSULT-III Function

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APPLICATION ITEM

CONSULT-III performs the following functions via CAN communication with CAN gateway.

SELF DIAGNOSTIC RESULT

Refer to 

LAN-106, "DTC Index"

.

Diagnosis mode

Function Description

Ecu Identification

The CAN gateway part number is displayed.

Self Diagnostic Result

Displays the diagnosis results judged by CAN gateway.

CAN Diag Support Monitor

The results of transmit/receive diagnosis of CAN communication can be read.

Configuration

• Read and save the vehicle specification.
• Write the vehicle specification when replacing CAN gateway.

LAN-106

< ECU DIAGNOSIS INFORMATION >

[CAN GATEWAY]

CAN GATEWAY

ECU DIAGNOSIS INFORMATION

CAN GATEWAY

Reference Value

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TERMINAL LAYOUT

PHYSICAL VALUES

DTC Inspection Priority Chart

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If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.

DTC Index

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NOTE:

JSGIA0023ZZ

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

–

1

(L)

—

CAN-H (CAN commu-
nication circuit 1)

Input/ 

Output

—

—

3

(Y)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

4

(L)

—

CAN-H (CAN commu-
nication circuit 2)

Input/ 

Output

—

—

5

(B)

Ground

Ground

—

Ignition switch ON

0 V

6

(L)

—

CAN-H (CAN commu-
nication circuit 2)

Input/ 

Output

—

—

7

(P)

—

CAN-L (CAN commu-
nication circuit 1)

Input/ 

Output

—

—

9

(GR)

Ground

Ignition power supply

Input

Ignition switch ON

Battery voltage

10

(R)

—

CAN-L (CAN commu-
nication circuit 2)

Input/ 

Output

—

—

11

(B)

Ground

Ground

—

Ignition switch ON

0 V

12

(R)

—

CAN-L (CAN commu-
nication circuit 2)

Input/ 

Output

—

—

Priority

DTC

1

• B2600: CONFIG ERROR
• U1010: CONTROL UNIT(CAN)

2

U1000: CAN COMM CIRCUIT

LAN

CAN GATEWAY

LAN-107

< ECU DIAGNOSIS INFORMATION >

[CAN GATEWAY]

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• The details of time display are as follows.
- CRNT: A malfunction is detected now
- PAST: A malfunction was detected in the past.
• IGN counter is displayed on FFD (Freeze Frame Data).
- The number is 0 when is detected now
- The number increases like 1 

→

 2 ··· 38 

→

 39 after returning to the normal condition whenever IGN OFF 

→

ON.

- The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.

DTC

Reference

No DTC is detected.
Further testing may be required.

—

U1000: CAN COMM CIRCUIT

LAN-113

U1010: CONTROL UNIT(CAN)

LAN-114

B2600: CONFIG ERROR

WRONG DATA

LAN-115

NOT CONFIGURED

LAN-108

< WIRING DIAGRAM >

[CAN GATEWAY]

CAN GATEWAY SYSTEM

WIRING DIAGRAM

CAN GATEWAY SYSTEM

Wiring Diagram

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JCMWM8323GB