Description
Initial diagnosis of A/C auto amp.
DTC Logic
DTC DETECTION LOGIC

Diagnosis Procedure
1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
Using CONSULT, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
U1000 CAN comm circuit
B257B, B257C ambient sensorDaytime running light system
Wiring Diagram
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Battery saver output/power supply circuit
Description
Provides the interior room lamp power supply. Also cuts the power supply when
the interior room lamp battery saver is activated.
Component Function Check
1.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY FUNCTION
CONSULT
Turn ignition switch ON.
Turn each interior room lamp ON.
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Symptom diagnosis
SYSTEM SYMPTOM
Symptom Table
The diagnostics item numbers show the sequence for
inspection. Inspect in order from item 1.
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