Inspection Procedure

CHECK MANUAL UP / DOWN FUNCTION
1. Check that the manual UP / DOWN function of each switch operates normally.
  OK:
  
  Manual UP / DOWN function operates normally.
NG: OTHER PROBLEM

OK: GO TO Next Step
CHECK AUTO UP / DOWN FUNCTION
1. Check that the AUTO UP / DOWN function of each switch operates normally.
  OK:
  
  AUTO UP / DOWN function operates normally.
NG: OTHER PROBLEM

OK: GO TO Next Step

READ VALUE OF INTELLIGENT TESTER (WINDOW SWITCH)

Check the DATA LIST for proper functioning of the power window switch on the master switch.

Multiplex network master switch

DATA LIST

Item	Measurement Item / Display (Range)	Normal Condition
P P/W AUTO SW	Front passenger side power window switch auto UP / DOWN signal / ON or OFF	ON: Front passenger side power window AUTO switch operates OFF: Front passenger side power window AUTO switch does not operate
P P/W UP	SW Front passenger side power window switch UP signal / ON or OFF	ON: Front passenger side power window manual UP switch operates OFF: Front passenger side power window manual UP switch does not operate
P P/W DOWN SW	Front passenger side power window switch DOWN signal / ON or OFF	ON: Front passenger side power window manual DOWN switch operates OFF: Front passenger side power window manual DOWN switch does not operate
RL P/W AUTO SW	Rear power window LH switch auto UP / DOWN signal / ON or OFF	ON: Rear power window LH AUTO switch operates OFF: Rear power window LH AUTO switch does not operate
RL P/W UP SW	Rear power window LH switch UP signal / ON or OFF	ON: Rear power window LH manual UP switch operates OFF: Rear power window LH manual UP switch does not operate
RL P/W DOWN SW	Rear power window LH switch DOWN signal / ON or OFF	ON: Rear power window LH manual DOWN switch operates OFF: Rear power window LH manual DOWN switch does not operate
RR P/W AUTO SW	Rear power window RH switch auto UP / DOWN signal / ON or OFF	ON: Rear power window RH AUTO switch operates OFF: Rear power window RH AUTO switch does not operate
RR P/W UP SW	Rear power window RH switch UP signal / ON or OFF	ON: Rear power window RH manual UP switch operates OFF: Rear power window RH manual UP switch does not operate
RR P/W DOWN SW	Rear power window RH switch DOWN signal / ON or OFF	ON: Rear power window RH manual DOWN switch operates OFF: Rear power window RH manual DOWN switch does not operate

OK:

ON (power window regulator switch on master switch operates) appears on screen.

OK: REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

NG: GO TO Next Step

CHECK WIRE HARNESS (MULTIPLEX NETWORK DOOR ECU - MULTIPLEX NETWORK SWITCH)

Disconnect the M4, O7 and O3 ECU connectors.
Disconnect the Q6, S5 and S1 switch connectors.

Measure the resistance of the wire harness side connectors.

Standard resistance: for Front passenger side

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
M4-7 (MPX3) - Q6-4 (MPX1)	Below 1 Ω.
M4-7 (MPX3) or Q6-4 (MPX1) - Body ground	10 kΩ or higher

for Rear LH

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
O7-7 (MPX3) - S5-4 (MPX1)	Below 1 Ω
O7-20 (PWSL) - S5-11 (SEL2)	Below 1 Ω
O7-7 (MPX3) or S5-4 (MPX1) - Body ground	10 kΩ or higher
O7-20 (PWSL) or S5-11 (SEL2) - Body ground	10 kΩ or higher

for Rear RH

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
O3-7 (MPX3) - S1-4 (MPX1)	Below 1 Ω
O3-20 (PWSL) - S1-10 (SEL1)	Below 1 Ω
O3-7 (MPX3) or S1-4 (MPX1) - Body ground	10 kΩ or higher
O3-20 (PWSL) or S1-10 (SEL1) - Body ground	10 kΩ or higher

Fig 1: Checking Wire Harness (Multiplex Network Door ECU - Multiplex Network Switch)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: GO TO Next Step

READ VALUE OF INTELLIGENT TESTER (WINDOW LOCK SIGNAL)

Check the DATA LIST for proper functioning of the power window switch on the master switch.

Multiplex network master switch

DATA LIST

Item	Measurement Item / Display (Range)	Normal Condition
P/W LOCK SW	Power window LOCK switch signal / ON or OFF	ON: Power window LOCK switch ON OFF: Power window LOCK switch OFF

OK: REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

NG: GO TO Next Step

CHECK WIRE HARNESS (MASTER SWITCH - SWITCH)

Disconnect the Q13 switch connector.
Disconnect the Q6, S5 and S1 switch connectors.

Measure the resistance of the wire harness side connectors.

Standard resistance: for Front passenger side

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
Q13-6 (PWS) - Q6-9 (PCT)	Below 1 Ω
Q13-6 (PWS) or Q6-9 (PCT) - Body ground	10 kΩ or higher

for Rear LH

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
Q13-6 (PWS) - S5-9 (PCT)	Below 1 Ω
Q13-6 (PWS) or S5-9 (PCT) - Body ground	10 kΩ or higher

for Rear RH

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
Q13-6 (PWS) - S1-9 (PCT)	Below 1 Ω
Q13-6 (PWS) or S1-9 (PCT) - Body ground	10 kΩ or higher

Fig 2: Checking Wire Harness (Master Switch - Switch)

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY