Description
Provides the interior room lamp power supply. Also cuts the power supply when the interior room lamp battery saver is activating.
Component Function Check
1.CHECK INTERIOR ROOM LAMP POWER SUPPLY FUNCTION
CONSULT ACTIVE TEST
Off : Interior room lamp OFF
On : Interior room lamp ON
Does each interior room lamp turn ON/OFF? YES >> Interior room lamp power supply circuit is normal.
NO >> Refer to INL-46, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK INTERIOR ROOM LAMP POWER SUPPLY OUTPUT
CONSULT ACTIVE TEST

Is the inspection result normal? YES >> GO TO 2.
NO >> Replace BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key system) or BCS- 135, "Removal and Installation" (without Intelligent Key system).
2.CHECK INTERIOR ROOM LAMP RELAY SIGNAL OPEN CIRCUIT

Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harnesses.
3.CHECK INTERIOR ROOM LAMP RELAY POWER SUPPLY CIRCUIT

Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace harnesses.
4.CHECK INTERIOR ROOM LAMP RELAY POWER SUPPLY OUTPUT

Is the inspection result normal? YES >> GO TO 5.
NO >> Replace room lamp relay.
5.CHECK INTERIOR ROOM LAMP RELAY POWER SUPPLY OUTPUT

Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace harnesses.
6.CHECK INTERIOR ROOM LAMP RELAY POWER SUPPLY OUTPUT SHORT CIRCUIT
Check continuity between room lamp relay and ground.

Is the inspection result normal? YES >> Check that each interior lamp has no internal short circuit.
NO >> Repair or replace harnesses.
Interior room lamp control circuitP0776 pressure control solenoid B
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content
DTC detection condition
P0776
PC SOLENOID B
(Pressure Control Solenoid “B” Performance/
Stuck Off)
When any of 1 or 2 is satisfied and this state is maintained for 10
...
Removal and installation
NATS ANTENNA AMP.
Removal and Installation
REMOVAL
Remove the steering column covers. Refer to IP-17, "Removal and
Installation".
Disconnect the harness connector from the NATS antenna amp.
Release pawls and remove NATS antenna amp. (1) from the
ignition sw ...
Power supply and ground circuit
WITH INTELLIGENT KEY SYSTEM
WITH INTELLIGENT KEY SYSTEM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-50, "Wiring Diagram".
1. CHECK FUSE
Check that the following fuse is not blown.
Terminal No.
Signal name
Fuse No.
161
BCM power sup ...