Tribute 4WD L4-2.5L Hybrid (2009)
Step 7-Step 9
Pinpoint Test 4: The Hazard Lamps Are Inoperative/Always On
PINPOINT TEST 4: THE HAZARD LAMPS ARE INOPERATIVE/ALWAYS ON
Normal Operation
The smart junction box (SJB) sends a voltage reference signal to the multifunction switch through circuit (BR/Y). When the hazard lamp switch is
engaged, the voltage signal is routed to ground. When the SJB detects a request for the hazard lamps, the SJB sends voltage to the all turn lamps.
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DTC B2071 (Hazard Switch Signal Short to Ground) - an on-demand DTC that sets when the SJB detects a short to ground from the hazard
flasher lamp switch input circuit.
Possible Causes
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Wiring, terminals or connectors
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Multifunction switch
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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.