POWER SHOULDER BELT ANCHORAGE SYSTEM TERMINALS OF ECU

CHECK LUGGAGE ROOM JUNCTION BLOCK (REAR JUNCTION BLOCK ECU)

Disconnect the LA, LD and LG junction block connectors.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
LD-4 (MPXB) - Body ground	R - Body ground	Battery (ECU power source)	Always	11 to 14 V
LG-1 (BANC) - Body ground	W - Body ground	Battery (ECU power source)	Always	11 to 14 V
LA-43 (PGND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

If the result is not as specified, there may be a malfunction on the wire harness side.

Reconnect the LA, LD and LG ECU connectors.

Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
S61-8 (DBM-) - Body ground	Y - Body ground	Seat belt anchor motor power	Shoulder belt anchorage switch OFF	Below 1 V
S61-8 (DBM-) - Body ground	Y - Body ground	Seat belt anchor motor power	Shoulder belt anchorage switch down ON	11 to 14 V
S61-10 (DBM+) - Body ground	L - Body ground	Seat belt anchor motor power	Shoulder belt anchorage switch OFF	Below 1 V
S61-10 (DBM+) - Body ground	L - Body ground	Seat belt anchor motor power	Shoulder belt anchorage switch up ON	11 to 14 V
S61-13 (E) - Body ground	W - Body ground	Ground	Always	Below 1 Ω
S61-14 (BES) - Body ground	R - Body ground	Seat belt anchor motor power	Seat belt anchor motor drive	Alternating between approximately 8 V and below 1 V
S61-14 (BES) - Body ground	R - Body ground	Seat belt anchor motor power	Seat belt anchor motor stop	Below 1 V
S61-15 (VC) - Body ground	Y - Body ground	Battery (seat belt anchor power)	Always	11 to 14 V
S62-3 (PVC) - Body ground	Y - Body ground	Battery (seat belt anchor power)	Always	11 to 14 V
S62-4 (PBES) - Body ground	R - Body ground	Seat belt anchor motor power	Seat belt anchor motor drive	Alternating between approximately 8 V and below 1 V
S62-4 (PBES) - Body ground	R - Body ground	Seat belt anchor motor power	Seat belt anchor motor stop	Below 1 V
S62-27 (PSSE) - Body ground	LG - Body ground	Ground	Always	Below 1 Ω
S62-22 (PBM+) - Body ground	V - Body ground	Seat belt anchor motor power	Shoulder belt anchorage switch OFF	Below 1 V
S62-22 (PBM+) - Body ground	V - Body ground	Seat belt anchor motor power	Shoulder belt anchorage switch up ON	11 to 14 V
S62-23 (PBM-) - Body ground	L - Body ground	Seat belt anchor motor power	Shoulder belt anchorage switch OFF	Below 1 V
S62-23 (PBM-) - Body ground	L - Body ground	Seat belt anchor motor power	Shoulder belt anchorage switch down ON	11 to 14 V

If the result is not as specified, the ECU or switch may have a malfunction.

CHECK FRONT DOOR ECU LH

Disconnect the N10 and P10 ECU connectors.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
N10-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
P10-29 (MSWE) - N10-1 (GND)	V - W-B	Ground	Always	Below 1 Ω
*P10-28 (DSE) - N10-1 (GND)	O - W-B	Ground	Always	Below 1 Ω
P10-28 (PSE) - N10-1 (GND)	O - W-B	Ground	Always	Below 1 Ω
N10-11 (CPUB) - N10-1 (GND)	B - W-B	Battery (ECU power source)	Always	11 to 14 V
N10-6 (BDR) - N10-1 (GND)	O - W-B	Battery (ECU power source)	Always	11 to 14 V
N10-3 (SIG) - N10-1 (GND)	L - W-B	Power switch signal	Power switch ON (IG)	11 to 14 V
P10-16 (MM) - N10-1 (GND)	O - W-B	Memory switch signal	Memory switch set OFF	10 kΩ or higher
P10-16 (MM) - N10-1 (GND)	O - W-B	Memory switch signal	Memory switch set ON	Below 1 Ω
P10-13 (M1) - N10-1 (GND)	R - W-B	Memory switch signal	Memory switch M1 OFF	10 kΩ or higher
P10-13 (M1) - N10-1 (GND)	R - W-B	Memory switch signal	Memory switch M1 ON	Below 1 Ω
P10-14 (M2) - N10-1 (GND)	B - W-B	Memory switch signal	Memory switch M2 OFF	10 kΩ or higher
P10-14 (M2) - N10-1 (GND)	B - W-B	Memory switch signal	Memory switch M2 ON	Below 1 Ω
P10-15 (M3) - N10-1 (GND)	Y - W-B	Memory switch signal	Memory switch M3 OFF	10 kΩ or higher
P10-15 (M3) - N10-1 (GND)	Y - W-B	Memory switch signal	Memory switch M3 ON	Below 1 Ω
*P10-17 (DSDN) - N10-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch OFF	10 kΩ or higher
*P10-17 (DSDN) - N10-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down ON	Below 1 Ω
P10-17 (PSDN) - N10-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch OFF	10 kΩ or higher
P10-17 (PSDN) - N10-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down ON	Below 1 Ω
*P10-18 (DSUP) - N10-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up OFF	10 kΩ or higher
*P10-18 (DSUP) - N10-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up ON	Below 1 Ω
P10-18 (PSUP) - N10-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up OFF	10 kΩ or higher
P10-18 (PSUP) - N10-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up ON	Below 1 Ω

Tech Tips

*: for LHD

If the result is not as specified, there may be a malfunction on the wire harness side.

Reconnect the N10 and P10 ECU connectors.

Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
P10-16 (MM) - N10-1 (GND)	O - W-B	Memory switch signal	Memory switch set OFF	11 to 14 V
P10-16 (MM) - N10-1 (GND)	O - W-B	Memory switch signal	Memory switch set ON	Below 1 V
P10-13 (M1) - N10-1 (GND)	R - W-B	Memory switch signal	Memory switch M1 OFF	11 to 14 V
P10-13 (M1) - N10-1 (GND)	R - W-B	Memory switch signal	Memory switch M1 ON	Below 1 V
P10-14 (M2) - N10-1 (GND)	B - W-B	Memory switch signal	Memory switch M2 OFF	11 to 14 V
P10-14 (M2) - N10-1 (GND)	B - W-B	Memory switch signal	Memory switch M2 ON	Below 1 V
P10-15 (M3) - N10-1 (GND)	Y - W-B	Memory switch signal	Memory switch M3 OFF	11 to 14 V
P10-15 (M3) - N10-1 (GND)	Y - W-B	Memory switch signal	Memory switch M3 ON	Below 1 V
*P10-17 (DSDN) - N10-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch OFF	11 to 14 V
*P10-17 (DSDN) - N10-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down ON	Below 1 V
P10-17 (PSDN) - N10-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch OFF	11 to 14 V
P10-17 (PSDN) - N10-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down ON	Below 1 V
*P10-18 (DSUP) - N10-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up OFF	11 to 14 V
*P10-18 (DSUP) - N10-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up ON	Below 1 V
P10-18 (PSUP) - N10-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up OFF	11 to 14 V
P10-18 (PSUP) - N10-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up ON	Below 1 V

Tech Tips

*: for LHD

If the result is not as specified, the ECU or switch may have a malfunction.

CHECK FRONT DOOR ECU RH

Disconnect the N1 and P4 ECU connectors.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
N1-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
*P4-28 (PSE) - N1-1 (GND)	O - W-B	Ground	Always	Below 1 Ω
P4-28 (DSE) - N1-1 (GND)	O - W-B	Ground	Always	Below 1 Ω
P4-29 (MSWE) - N1-1 (GND)	V - W-B	Ground	Always	Below 1 Ω
P4-11 (CPUB) - N1-1 (GND)	R - W-B	Battery (ECU power source)	Always	11 to 14 V
P4-6 (BDR) - N1-1 (GND)	O - W-B	Battery (ECU power source)	Always	11 to 14 V
P4-3 (SIG) - N1-1 (GND)	V - W-B	Power switch signal	Power switch ON (IG)	11 to 14 V
P4-16 (MM) - N10-1 (GND)	BE - W-B	Memory switch signal	Memory switch set OFF	10 kΩ or higher
P4-16 (MM) - N10-1 (GND)	BE - W-B	Memory switch signal	Memory switch set ON	Below 1 Ω
P4-13 (M1) - N10-1 (GND)	R - W-B	Memory switch signal	Memory switch M1 OFF	10 kΩ or higher
P4-13 (M1) - N10-1 (GND)	R - W-B	Memory switch signal	Memory switch M1 ON	Below 1 Ω
P4-14 (M2) - N10-1 (GND)	B - W-B	Memory switch signal	Memory switch M2 OFF	10 kΩ or higher
P4-14 (M2) - N10-1 (GND)	B - W-B	Memory switch signal	Memory switch M2 ON	Below 1 Ω
P4-15 (M3) - N10-1 (GND)	Y - W-B	Memory switch signal	Memory switch M3 OFF	10 kΩ or higher
P4-15 (M3) - N10-1 (GND)	Y - W-B	Memory switch signal	Memory switch M3 ON	Below 1 Ω
*P4-17 (PSDN) - N1-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down OFF	10 kΩ or higher
*P4-17 (PSDN) - N1-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down ON	Below 1 Ω
P4-17 (DSDN) - N1-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down OFF	10 kΩ or higher
P4-17 (DSDN) - N1-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down ON	Below 1 Ω
*P4-18 (PSUP) - N1-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up OFF	10 kΩ or higher
*P4-18 (PSUP) - N1-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up ON	Below 1 Ω
P4-18 (DSUP) - N1-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up OFF	10 kΩ or higher
P4-18 (DSUP) - N1-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up ON	Below 1 Ω

Tech Tips

*: for LHD

If the result is not as specified, there may be a malfunction on the wire harness side.

Reconnect the N1 and P4 ECU connectors.

Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
P4-16 (MM) - N1-1 (GND)	BE - W-B	Memory switch signal	Memory switch set OFF	11 to 14 V
P4-16 (MM) - N1-1 (GND)	BE - W-B	Memory switch signal	Memory switch set ON	Below 1 V
P4-13 (M1) - N1-1 (GND)	R - W-B	Memory switch signal	Memory switch M1 OFF	11 to 14 V
P4-13 (M1) - N1-1 (GND)	R - W-B	Memory switch signal	Memory switch M1 ON	Below 1 V
P4-14 (M2) - N1-1 (GND)	B - W-B	Memory switch signal	Memory switch M2 OFF	11 to 14 V
P4-14 (M2) - N1-1 (GND)	B - W-B	Memory switch signal	Memory switch M2 ON	Below 1 V
P4-15 (M3) - N1-1 (GND)	Y - W-B	Memory switch signal	Memory switch M3 OFF	11 to 14 V
P4-15 (M3) - N1-1 (GND)	Y - W-B	Memory switch signal	Memory switch M3 ON	Below 1 V
*P4-17 (PSDN) - N1-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down OFF	11 to 14 V
*P4-17 (PSDN) - N1-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down ON	Below 1 V
P4-17 (DSDN) - N1-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down OFF	11 to 14 V
P4-17 (DSDN) - N1-1 (GND)	R - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch down ON	Below 1 V
*P4-18 (PSUP) - N1-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up OFF	11 to 14 V
*P4-18 (PSUP) - N1-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up ON	Below 1 V
P4-18 (DSUP) - N1-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up OFF	11 to 14 V
P4-18 (DSUP) - N1-1 (GND)	B - W-B	Shoulder belt anchorage switch signal	Shoulder belt anchorage switch up ON	Below 1 V

Tech Tips

*: for LHD

If the result is not as specified, the ECU or switch may have a malfunction.