Suzuki RA410 Manual page 379

6E1-14 ENGINE AND EMISSION CONTROL SYSTEM
Fig. for Step 2
c
TABLE A-4 ECM/PCM POWER AND GROUND CIRCUIT CHECK
MIL DOES NOT LIGHT AT IGNITION SWITCH ON AND ENGINE DOES NOT START
THOUGH IT IS CRANKED UP
TABLE A-4
STEP
1 Did you perform TABLE A-1 MALFUNCTION IN-
DICATOR LAMP CIRCUIT CHECK in this section?
2 Ignition switch signal check:
1) Turn ignition switch to ON position, without run-
ning engine.
2) Measure voltage from "A2" terminal of ECM/
PCM connector to ground.
Is voltage within 10 – 14V?
3 Main relay circuit check:
1) With ignition switch at OFF position, remove
main relay.
2) Measure voltage from "g" terminal of main
relay connector to ground and from "j" terminal
of main relay connector to ground.
Is each voltage within 10 – 14V?
4 Main relay inspection:
1) Perform MAIN RELAY INSPECTION in this
section.
Is main relay functioning normally?
5 Main relay circuit check:
1) Install main relay.
2) Measure voltage from "A22" terminal of ECM/
PCM connector to ground.
Is voltage within 10 – 14V?
e
ACTION YES
Go to Step 2.
Go to step 3.
Go to Step 4.
Go to Step 5.
Go to Step 6.
NO
Go to TABLE A-1 MAL-
FUNCTION INDICATOR
LAMP CIRCUIT CHECK
in this section.
"B/W" wire open or short.
"B/Y" wire open.
Faulty main relay.
"Br/W" wire open.