Infiniti Q45 (FY33). Manual — part 121

SEF348N

I

When measuring ECM signals with a circuit tester, never
bring the two tester probes into contact.
Accidental contact of probes will cause a short circuit and
damage the ECM power transistor.

SEF202UB

I

Regarding model Y33, “B1” indicates the left bank and
“B2” indicates the right bank as shown in the figure.

GI

MA

EM

LC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

EL

IDX

PRECAUTIONS AND PREPARATION

Precautions (Cont’d)

EC-13

Circuit Diagram

TEC038M

ENGINE AND EMISSION CONTROL OVERALL SYSTEM

EC-14

TEC782

GI

MA

EM

LC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

EL

IDX

ENGINE AND EMISSION CONTROL OVERALL SYSTEM

Circuit Diagram (Cont’d)

EC-15

System Diagram

SEF870Z

ENGINE AND EMISSION CONTROL OVERALL SYSTEM

EC-16