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DTC B1036:
IG1 Power Supply Circuit Malfunction
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Clear the DTCs with the HDS.
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Turn the ignition switch to LOCK (0), and then back to ON (II).
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Wait for 6 seconds or more.
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Check for DTCs with the HDS.
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YES
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NO
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Intermittent failure, the system is OK at this time. Check for loose or poor connection at the gauge control module 32P connector, and at under-dash fuse/relay box connector Q (16P). If the connections are good,
check the battery condition
and the charging system.■
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Measure the voltage between the gauge control module 32P connector No. 32 terminal and body ground.
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Is there battery voltage?
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YES
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Faulty MICU or an open in the under-dash fuse/relay box internal circuit. Substitute a known-good under-dash fuse/relay box and recheck.■
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NO
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Check for No. 22 (7.5 A) in the under-dash fuse/relay box. If the fuse is OK, check for an open in the wire between the under-dash fuse/relay box and the gauge control module, or repair a short in the wire between the under-dash fuse/relay box and the gauge control module.■
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