Operation CHARM: Car repair manuals for everyone.

Reference Waveforms

Reference waveform No.1

Fuel injector signal (1) with engine idling








Reference waveform No.2

No.1 fuel injector signal (2) with engine idling








Reference waveform No.3

No.2 fuel injector signal (2) with engine idling








Reference waveform No.4

HO2S signal (1) with engine idling








Reference waveform No.5

HO2S signal (1) with engine racing








Reference waveform No.6

EVAP canister purge valve signal








Reference waveform No.7

No.3 fuel injector signal (2) with engine idling








Reference waveform No.8

No.4 fuel injector signal (2) with engine idling








Reference waveform No.9

Ignition coil signal (1) with engine idling








Reference waveform No.10

Ignition coil No.4 signal (2) with engine idling








Reference waveform No.11

Ignition coil No.3 signal (2) with engine idling








Reference waveform No.12

Ignition coil No.2 signal (1) with engine idling








Reference waveform No.13

Ignition coil No.1 signal (1) with engine idling








Reference waveform No.14

MAF sensor signal (1) with engine racing








Reference waveform No.15

A/F sensor signal with engine idling








Reference waveform No.16

IMT valve actuator signal with engine racing








Reference waveform No.17

CMP sensor signal with engine idling








Reference waveform No.18

CMP sensor signal with engine idling








Reference waveform No.19

Throttle actuator output signal with ignition switch turned ON








Reference waveform No.20

Throttle actuator output signal with ignition switch turned ON








Reference waveform No.21

Knock sensor signal at engine speed 4000 r/min.








Reference waveform No.22

Knock sensor signal at engine speed 4000 r/min.








Reference waveform No.23

CAN communication line signal from ABS / ESP(R) control module with ignition switch turned ON








Reference waveform No.24

Ignition coil signal and fuel injector signal with engine cranking








Reference waveform No.25

CAN communication line signal from TCM with ignition switch turned ON








Reference waveform No.26

Ignition pulse (engine revolution) signal (2) with engine idling








Reference waveform No.27

Ignition pulse (engine revolution) signal (2) with engine idling