Toyota Tundra Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (w/o Jam Protection Function)

*1

Window Lock Switch

*2

Driver Switch

*3

Front Passenger Switch

*4

Rear LH Switch

*5

Rear RH Switch

*a

Component with harness connected

(Power Window Regulator Master Switch assembly)

*b

for Driver Side

*c

Front Passenger Side

*d

for Rear LH Side

*e

for Rear RH Side

(a) for Double Cab:

(1) Remove the power window regulator master switch assembly.

Click here

(2) Reconnect the switch connector.

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

Standard Voltage:

for Driver Switch:

Tester Connection

Switch Condition

Specified Condition

N2-3 (U) - N2-1 (E)

Ignition switch ON, driver side door power window regulator switch OFF → UP

Below 1 V → 11 to 14 V

N2-4 (D) - N2-1 (E)

Ignition switch ON, driver side door power window regulator switch OFF → DOWN

N2-4 (D) - N2-1 (E)

Ignition switch ON, driver side door glass fully closed → power window AUTO DOWN operation → driver side door glass fully open

Below 1 V → 11 to 14 V → Below 1 V

for Front Passenger Switch:

Tester Connection

Switch Condition

Specified Condition

N2-16 (U) - N2-1 (E)

Ignition switch ON, front passenger side door power window regulator switch OFF → UP

Below 1 V → 11 to 14 V

N2-15 (D) - N2-1 (E)

Ignition switch ON, front passenger side door power window regulator switch OFF → DOWN

for Rear Switch LH:

Tester Connection

Switch Condition

Specified Condition

N2-12 (U) - N2-1 (E)

Ignition switch ON, rear LH side door power window regulator switch OFF → UP

Below 1 V → 11 to 14 V

N2-13 (D) - N2-1 (E)

Ignition switch ON, rear LH side door power window regulator switch OFF → DOWN

for Rear Switch RH:

Tester Connection

Switch Condition

Specified Condition

N2-10 (U) - N2-1 (E)

Ignition switch ON, rear RH side door power window regulator switch OFF → UP

Below 1 V → 11 to 14 V

N2-18 (D) - N2-1 (E)

Ignition switch ON, rear RH side door power window regulator switch OFF → DOWN

If the result is not as specified, replace the power window regulator master switch assembly.

(b) for CrewMax:

(1) Remove the power window regulator master switch assembly.

Click here

(2) Reconnect the switch connector.

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

Standard Voltage:

for Driver Switch:

Tester Connection

Switch Condition

Specified Condition

N2-3 (U) - N2-1 (E)

Ignition switch ON, driver side door power window regulator switch OFF → UP

Below 1 V → 11 to 14 V

N2-4 (D) - N2-1 (E)

Ignition switch ON, driver side door power window regulator switch OFF → DOWN

N2-4 (D) - N2-1 (E)

Ignition switch ON, driver side door glass fully closed → power window AUTO DOWN operation → driver side door glass fully open

Below 1 V → 11 to 14 V → Below 1 V

for Front Passenger Switch:

Tester Connection

Switch Condition

Specified Condition

N2-16 (U) - N2-1 (E)

Ignition switch ON, front passenger side door power window regulator switch OFF → UP

Below 1 V → 11 to 14 V

N2-15 (D) - N2-1 (E)

Ignition switch ON, front passenger side door power window regulator switch OFF → DOWN

for Rear LH Switch:

Tester Connection

Switch Condition

Specified Condition

N2-12 (U) - N2-1 (E)

Ignition switch ON, rear LH side door power window regulator switch OFF → UP

Below 1 V → 11 to 14 V

N2-13 (D) - N2-1 (E)

Ignition switch ON, rear LH side door power window regulator switch OFF → DOWN

for Rear RH Switch:

Tester Connection

Switch Condition

Specified Condition

N2-10 (U) - N2-1 (E)

Ignition switch ON, rear RH side door power window regulator switch OFF → UP

Below 1 V → 11 to 14 V

N2-18 (D) - N2-1 (E)

Ignition switch ON, rear RH side door power window regulator switch OFF → DOWN

If the result is not as specified, replace the power window regulator master switch assembly.

2. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (w/ Jam Protection Function)

Text in Illustration

*1

Window Lock Switch

*2

Driver Switch

*3

Rear RH Switch

*4

Rear LH Switch

*a

Component with harness connected

(Master Switch Assembly)

*b

for Driver Side

*c

for Rear LH Side

*d

for Rear RH Side

(a) Remove the power window regulator master switch assembly.

Click here

(b) Reconnect the switch connector.

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

Standard Voltage:

for Driver Switch:

Tester Connection

Switch Condition

Specified Condition

N2-4 (UP) - N2-1 (E)

Ignition switch ON, driver side door power window regulator switch OFF → UP

Below 1 V → 11 to 14 V

N2-4 (UP) - N2-1 (E)

Ignition switch ON, driver side door glass fully closed → power window AUTO UP operation → driver side door glass fully open

N2-5 (DOWN) - N2-1 (E)

Ignition switch ON, driver side door power window regulator switch OFF → DOWN

N2-5 (DOWN) - N2-1 (E)

Ignition switch ON, driver side door glass fully closed → power window AUTO DOWN operation → driver side door glass fully open

Below 1 V → 11 to 14 V → Below 1 V

for Rear LH Switch:

Tester Connection

Switch Condition

Specified Condition

N2-12 (U) - N2-1 (E)

Ignition switch ON, rear LH side door power window regulator switch OFF → UP

Below 1 V → 11 to 14 V

N2-15 (D) - N2-1 (E)

Ignition switch ON, rear LH side door power window regulator switch OFF → DOWN

for Rear RH Switch:

Tester Connection

Switch Condition

Specified Condition

N2-10 (U) - N2-1 (E)

Ignition switch ON, rear RH side door power window regulator switch OFF → UP

Below 1 V → 11 to 14 V

N2-16 (D) - N2-1 (E)

Ignition switch ON, rear RH side door power window regulator switch OFF → DOWN

If the result is not as specified, replace the power window regulator master switch assembly.

    Installation

    Removal

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