6E1-14
ENGINE AND EMISSION CONTROL SYSTEM
SH410
A-1 MALFUNCTION INDICATOR LAMP CIRCUIT CHECK
(MALFUNCTION INDICATOR LAMP DOES NOT LIGHT AT IGNITION SWITCH ON.)
1. Battery positive voltage
2. Main fuse
3. Ignition switch
4. “IG-COIL METER” fuse
5. Malfunction indicator lamp
6. Combination meter
7. ECM (PCM)
8. Diagnosis switch terminal
9. Monitor connector
10. Fuse box
STEP
ACTION
YES
NO
1
Test Switch Terminal Circuit Check:
1) With the ignition switch ON position, check
voltage between E01-7 terminal of ECM
connector and ground.
Is voltage 4 – 5 V?
Go to Step 2.
“P” wire (test switch terminal)
shorted to ground circuit.
If OK, substitute a known-good
ECM and recheck.
2
MIL Bulb and Circuit Check:
1) Using service wire, ground E03-17 terminal
of ECM connector.
Does MIL turn ON at ignition switch ON posi-
tion?
Go to TABLE A-4.
MIL bulb burned out.
“IG-COIL METER” fuse(s)
blown.
Ignition switch malfunction.
“V/Y” wire open.
“B/W” wire open.
Fig. for STEP 1
1. ECM connector disconnected
2. Body ground