Last Modified: 4-30-2014 6.6 U Doc ID: RM0000018AG001X
Model Year: 2006 Model: LX470 Prod Date Range: [05/2005 -           ]
Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: TERMINALS OF ECU; 2006 MY LX470 [05/2005 -        ]

TERMINALS OF ECU

1. CHECK POWER WINDOW REGULATOR MASTER SWITCH

Symbols (Terminal No.)

Wiring Color

Condition

Specified Condition

GND (P15-2) - Body ground

W-B - Body ground

Always

Below 1 V

KL (P15-4) - KEYE (P15-3)

L-W - W-B

Door key lock and unlock switch is in LOCK position

Below 1 V

Door key lock and unlock switch is in OFF position

10 to 14 V

MPX1 (P15-7)

B

Multiplex communication circuit

-

CPUB (P15-9) - GND (P15-2)

L-W - W-B

Always

10 to 14 V

BDR (P15-10) - GND (P15-2)

L - W-B

Always

10 to 14 V

SGND (P15-13) - Body ground

BR-B - Body ground

Always

Below 1 V

KUL (P15-14) - KEYE (P15-13)

G-B - W-B

Door key lock and unlock switch is in OFF position

10 to 14 V

Door key lock and unlock switch is in UNLOCK position

Below 1 V

LSWD (P15-16) - KEYE (P15-3)

L-B - W-B

Driver door lock position switch ON

10 to 14 V

Driver door lock position switch OFF

Below 1 V

SIG (P15-20) - GND (P15-2)

B-W - W-B

Ignition switch ON

10 to 14 V

2. CHECK BODY ECU (MAIN)

Symbols (Terminal No.)

Wiring Color

Condition

Specified Condition

GND1 (4) - Body ground

-

Always

Below 1 V

LSR (5) - GND1 (4)

-

Rear door RH / Rear door LH / Back door lock switch is unlock position

Below 1 V

LSR (5) - GND2 (16)

-

Rear door RH / Rear door LH / Back door lock switch is unlock position

Below 1 V

BECU (11) - GND1 (4)

-

Always

10 to 14 V

BECU (11) - GND2 (16)

-

Always

10 to 14 V

BDR1 (12) - GND1 (4)

-

Always

10 to 14 V

BDR1 (12) - GND2 (16)

-

Always

10 to 14 V

UL1 (15) - GND1 (4)

-

Driver door lock control switch is UNLOCK position

Below 1 V

UL1 (15) - GND2 (16)

-

Driver door lock control switch is UNLOCK position

Below 1 V

GND2 (16) - Body ground

-

Always

Below 1 V

L1 (19) - GND1 (4)

-

Driver door lock control switch is LOCK position

Below 1 V

L1 (19) - GND2 (16)

-

Driver door lock control switch is LOCK position

Below 1 V

L2 (20) - GND1 (4)

-

Driver door key lock and unlock switch is LOCK position

Below 1 V

L2 (20) - GND2 (16)

-

Driver door key lock and unlock switch is LOCK position

Below 1 V

ACT+ (23) - ACT- (24)

-

Door lock motor is operated

10 to 14 V

ACTD (B7-10) - GND1 (4)

L-B - Body ground

Door lock motor is operated

10 to 14 V

ACTD (B7-10) - GND2 (16)

L-B - Body ground

Door lock motor is operated

10 to 14 V

UL2 (B7-22) - GND1 (4)

G-B - Body ground

Door key lock and unlock switch is LOCK position

Below 1 V

UL2 (B7-22) - GND2 (16)

G-B - Body ground

Door key lock and unlock switch is LOCK position

Below 1 V

LSWP (B7-30) - GND1 (4)

L-O - Body ground

Passenger door lock switch is UNLOCK position

Below 1 V

LSWP (B7-30) - GND2 (16)

L-O - Body ground

Passenger door lock switch is UNLOCK position

Below 1 V

RLCY (B8-11) - GND1 (4)

R-L - Body ground

Rear door LH door courtesy switch is ON (Door is opened)

Below 1 V

RLCY (B8-11) - GND2 (16)

R-L - Body ground

Rear door LH door courtesy switch is ON (Door is opened)

Below 1 V

RRCY (B8-12) - GND1 (4)

R-G - Body ground

Rear door RH door courtesy switch is ON (Door is opened)

Below 1 V

RRCY (B8-12) - GND2 (16)

R-G - Body ground

Rear door RH door courtesy switch is ON (Door is opened)

Below 1 V

DCTY (B8-23) - GND1 (4)

R-Y - Body ground

Driver door courtesy switch is ON (Door is opened)

Below 1 V

DCTY (B8-23) - GND2 (16)

R-Y - Body ground

Driver door courtesy switch is ON (Door is opened)

Below 1 V

PCTY (B8-24) - GND1 (4)

R-B - Body ground

Passenger door courtesy switch is ON (Door is opened)

Below 1 V

PCTY (B8-24) - GND2 (16)

R-B - Body ground

Passenger door courtesy switch is ON (Door is opened)

Below 1 V