Front Light (Body No. 5) Control System: Other — Front Light (Body No. 5) Control System — Body, Cab Control Systems

Front Light (Body No. 5) Control System: Other Lexus LS III

CUSTOMER PROBLEM ANALYSIS CHECK

FRONT LIGHT (BODY NO.5) CONTROL SYSTEM Check Sheet

Scheme 110: Front Light (Body No.5) Control System Troubleshooting Flow Chart

Scheme 111: Front Light (Body No.5) Control System Customer Problem Analysis Check Sheet

Scheme 112: Locating Front Light (Body No.5) Control System Components

Scheme 113: Identifying ECU Terminals

Symbols (Terminals No.)	Wiring Color	Condition	STD Voltage (V)
1 <-> 25 (FOGR <-> E)	R-W <-> W-B	Front fog light switch ON	10-14 V
2 <-> 25 (FOGL <-> E)	R-Y <-> W-B	Front fog light switch ON	10-14 V
3 <-> 25 (FFOG <-> E)	R <-> W-B	Constant	10-14 V
4 <-> 25 (W+ <-> E)	B-W <-> W-B	Washer switch ON	10-14 V
6 <-> 25 (FWAS <-> E)	R-L <-> W-B	Constant	10-14 V
7 <-> 25 (CRAR <-> E)	G <-> W-B	Light control switch TAIL	10-14 V
8 <-> 25 (CRAL <-> E)	G-O <-> W-B	Light control switch TAIL	10-14 V
9 <-> 25 (FTAL <-> E)	G-Y <->W-B	Constant	10-14 V
12 <-> 25 (FHHI <-> E)	R-L <->W-B	Constant	10-14 V
13 <-> 25 (HORH <-> E)	B <-> W-B	Horn switch ON (Horn HI sounding)	10-14 V
14 <-> 25 (HORL <-> E)	G-W <-> W-B	Horn switch ON (Horn LO sounding)	10-14 V
15 <-> 25 (FHOR <-> E)	G-B <->W-B	Constant	10-14 V
16 <-> 25 (SIDR <-> E)	V-W <->W-B	Light control switch TAIL	10-14 V
17 <-> 25 (SIDL <-> E)	V-R <->W-B	Light control switch TAIL	10-14 V
18 <-> 25 (HLHR <-> E)	L-O <->W-B	Light control switch HEAD	10-14 V
24 <-> 25 (HLHL <-> E)	R-B <->W-B	Light control switch HEAD	10-14 V
25 <-> Body ground (E <-> Body ground)	W-B <-> Body ground	Constant	Below 1 V
26 <-> 25 (WLVL <-> E)	V <-> W-B	Washer fluid level warning switch ON	10-14 V
29 <-> 25 (FMB3 <-> E)	R-B <-> W-B	Constant	10-14 V
30 <-> 25 (FMIG <-> E)	R-L <-> W-B	Ignition switch ON	10-14 V
31 (MPX2)	V-G	Multiplex communication circuit
32 (MPX1)	V-G	Multiplex communication circuit

ECU TERMINALS SPECIFICATIONS