WIPER AND WASHER: WIPER AND WASHER SYSTEM: TERMINALS OF ECU; 2007 MY LX470 [08/2006

Last Modified: 7-3-2017	6.8:8.0.40	Doc ID: RM0000018I9001X
Model Year Start: 2007	Model: LX470	Prod Date Range: [08/2006 - ]
Title: WIPER AND WASHER: WIPER AND WASHER SYSTEM: TERMINALS OF ECU; 2007 MY LX470 [08/2006 - ]

TERMINALS OF ECU

1. CHECK BODY ECU (SUB)

Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
RWLM (S26-1) - Body ground	L-O - Body ground	Ignition switch ON	10 to 14 V
W (S26-2) - Body ground	L - Body ground	Ignition switch ON	10 to 14 V
W (S26-2) - Body ground	L - Body ground	Ignition switch OFF	Below 1 V
SIG (S26-3) - Body ground	B-W - Body ground	Ignition switch ON	10 to 14 V
SIG (S26-3) - Body ground	B-W - Body ground	Ignition switch OFF	Below 1 V
BECU - Body ground	L-W - Body ground	Always	10 to 14 V
WRLO (S26-4) - Body ground	L-O - Body ground	Ignition switch ON and rear wiper switch LO	Below 1 V
WRIN (S26-19)	L-Y - Body ground	Ignition switch ON and rear wiper switch INT	Below 1 V
SG (S26-24) - Body ground	BR - Body ground	Always	Below 1 V
GND (S26-25) - Boy ground	W-B - Body ground	Always	Below 1 V
WRSW (S27-4) - Body ground	P - Body ground	Ignition switch ON and rear washer switch ON	Below 1 V
REV (S28) - Body ground	R-B - Body ground	Ignition switch ON and park / neutral position switch reverse position	10 to 14 V

2. CHECK AUTO WIPER ECU (WIPER CONTROL ECU)

Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
S/S (A50-1) - Body ground	L-B - Body ground	Ignition switch ON and front wiper switch LO	10 to 14 V
S/S (A50-1) - Body ground	L-B - Body ground	Ignition switch ON and front wiper switch except LO	Below 1 V
+2 (A50-2) - Body ground	L-R - Body ground	Ignition switch ON and front wiper switch HI	10 to 14 V
+2 (A50-2) - Body ground	L-R - Body ground	Ignition switch ON and front wiper switch except HI	Below 1 V
S/M (A50-5) - Body ground	L-W - Body ground	Ignition switch ON and front wiper except stop position	10 to 14 V
S/M (A50-5) - Body ground	L-W - Body ground	Ignition switch ON and front wiper switch stop position	Below 1 V
WSHI (A50-6) - Body ground	L-R - Body ground	Ignition switch ON and front wiper switch except HI	10 to 14 V
WSHI (A50-6) - Body ground	L-R - Body ground	Ignition switch ON and front wiper switch HI	Below 1 V
WSLO (A50-7) - Body ground	L-B - Body ground	Ignition switch ON and front wiper switch except LO	10 to 14 V
WSLO (A50-7) - Body ground	L-B - Body ground	Ignition switch ON and front wiper switch LO	Below 1 V
WSE (A50-8) - Body ground	L - Body ground	Always	Below 1 V
WIG - Body ground (A50-10 - Body ground)	L - Body ground	Ignition switch ON	10 to 14 V
WIG - Body ground (A50-10 - Body ground)	L - Body ground	Ignition switch OFF	Below 1 V
VR (A51-3) - Body ground	L-W - Body ground	Ignition switch ON and sensitivity volume FAST	4.4 V
VR (A51-3) - Body ground	L-W - Body ground	Ignition switch ON and sensitivity volume FAST	Below 1 V
N (A51-4) - Body ground	G-R - Body ground	Ignition switch ON and park / neutral position switch N position	10 to 14 V
N (A51-4) - Body ground	G-R - Body ground	Ignition switch ON and park / neutral position switch except N position	Below 1 V
WASH (A51-6) - Body ground	L-Y - Body ground	Ignition switch on and front washer switch ON	10 to 14 V
WASH (A51-6) - Body ground	L-Y - Body ground	Ignition switch on and front washer switch OFF	Below 1 V
WSAU (A51-7) - Body ground	R-L - Body ground	Ignition switch ON and front wiper switch except AUTO	10 to 14 V
WSAU (A51-7) - Body ground	R-L - Body ground	Ignition switch ON and front wiper switch AUTO	Below 1 V
+B (A51-8) - Body ground	L-W - Body ground	Always	10 to 14 V
ERV (A51-9) - Body ground	R-W - Body ground	Always	Below 1 V
STP (A51-10) - Body ground	G-W - Body ground	Ignition switch ON and stop light switch ON	10 to 14 V
STP (A51-10) - Body ground	G-W - Body ground	Ignition switch ON and stop light switch OFF	Below 1 V
GND (a51-12) - Body ground	W-B - Body ground	Always	Below 1 V

3. CHECK RAIN SENSOR

Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
SIG (R40-2) - Body ground	B-W - Body ground	Ignition switch ON	10 to 14 V
SIG (R40-2) - Body ground	B-W - Body ground	Ignition switch ACC or OFF	Below 1 V
ES (R40-4) - Boy ground	W-B - Body ground	Always	Below 1 V