mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 6320 > < Initial Inspection and Diagnostic Overview|Page 6318
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DTC B2046 (Right Rear Stop Lamp Circuit Short to Ground) - a continuous and on-demand DTC that sets when the SJB detects a short to ground
from the RH rear stop/turn lamp voltage supply circuit.

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DTC B2047 (Right Rear Stop Lamp Circuit Open) - an on-demand DTC that sets when the SJB detects an open from the RH rear stop/turn lamp
voltage supply circuit.

Possible Causes

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Wiring, terminals or connectors

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Trailer tow stop/turn relay

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Bulb holder

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High mounted stoplamp

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SJB

Diagnostic Procedure

CAUTION:Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
NOTE:Make sure the bulb is good before continuing diagnostics. 

Initial Inspection and Diagnostic Overview|Page 6320 > < Initial Inspection and Diagnostic Overview|Page 6318