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5 CHECK FUSE
1. Turn ignition switch “OFF”.
2. Disconnect 10A fuse.
3. Check if 10A fuse is OK.
OK or NG
OK © GO TO 6.
NG © Replace 10A fuse.
6 CHECK START SIGNAL INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Disconnect ignition switch harness connector.
3. Check harness continuity between ECM terminal 42 and ignition switch terminal 6. Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK © GO TO 8.
NG © GO TO 7.
7 DETECT MALFUNCTIONING PART
Check the following.
I Harness connectors F68, M161
I Fuse block (J/B) connectors M17, E83
I Harness for open or short between ignition switch and ECM
© Repair open circuit or short to ground or short to power in harness or connectors.
8 CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-156.
© INSPECTION END
START SIGNAL
Diagnostic Procedure (Cont’d)
EC-712
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