2.
To diagnose the SJB and BCM function, select the vehicle model, BCM and SJB.
The power SJB and BCM can be diagnosed by using the GDS. The SJB and BCM communicates with the GDS which then displays inputs and outputs along with codes.
It will be able to diagnose defects lamp switchs and relays with GDS quickly. GDS can operates actuator forcefully, input/output value monitoring and self diagnosis.
To diagnose the SJB and BCM function, select the vehicle model, BCM and SJB.
To consult the present input/out value of SJB and BCM, "Current DATA". It provides information of SJB and BCM input/output conditions.
To perform functional test on SJB and BCM outputs, select "Actuation Test"
Symptom | Possible cause | Remedy |
One lamp does not light (all exterior) | Bulb burned out | Replace bulb |
Socket, wiring or ground faulty | Repair if necessary | |
Stop lamps do not light | Bulb burned out | Replace bulb |
Stop lamp fuse (15A) blown | Check for short and replace fuse | |
Stop lamp switch faulty | Adjust or replace switch | |
Wiring or ground faulty | Repair if necessary | |
Stop lamps do not turn off | Stop lamp switch faulty | Repair or replace switch |
Instrument lamps do not light (Tail lamps light) | Rheostat faulty | Check rheostat |
Wiring or ground faulty | Repair if necessary | |
Back up lamps do not light | Bulb burned out | Replace bulb |
Back up lamp fuse (10A) blown | Check for short and replace fuse | |
Back up lamp switch (M/T) faulty | Check switch | |
Transaxle range switch (A/T) faulty | Check switch | |
Wiring or ground faulty | Repair if necessary | |
Map lamp does not light | Bulb burned out | Replace bulb |
Room lamp fuse (10A) blown | Check for short and replace fuse | |
Map lamp switch faulty | Check switch | |
Wiring or ground faulty | Repair if necessary | |
Luggage room lamp does not light | Bulb burned out | Replace bulb |
Trunk lamp fuse (10A) blown | Check for short and replace fuse | |
Luggage room lamp switch faulty | Check switch | |
Wiring or ground faulty | Repair if necessary |
