Toyota Tundra (2015 year). Manual — part 1693
OK
OK
NG
REPLACE STARTER RELAY (ST)
4.
CHECK HARNESS AND CONNECTOR (ST RELAY - PARK/NEUTRAL POSITION
SWITCH)
(a) Remove the starter relay (ST) from the engine room relay block
.
(b) Disconnect the D35 park/neutral position switch.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
ST relay (1) - D35-5 (L)
Always
Below 1 Ω
ST relay (1) or D35-5 (L) - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
5.
CHECK STARTER RELAY (ST) (POWER SOURCE)
(a) Remove the starter relay (ST) from the engine room
relay block
.
(b) Measure the voltage according to the value(s) in the
table below.
Standard voltage:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
ST relay (2) - ST relay (5)
Always
11 to 14 V
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: Cranking Ho...
OK
OK
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
(STARTER RELAY (ST) - BATTERY, BODY
GROUND)
6.
INSPECT STARTER
(a) Inspect the starter
.
NG
REPAIR OR REPLACE STARTER
OK
REPAIR OR REPLACE HARNESS OR CONNECTOR
(STARTER - STARTER RELAY (ST), BATTERY)
7.
CHECK IGNITION SWITCH (POWER SOURCE)
(a) Disconnect the J9 ignition switch connector.
(b) Measure the voltage according to the value(s) in the
table below.
Standard voltage:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
J9-5 (AM2) - Body ground
Always
11 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
(IGNITION SWITCH - BATTERY POSITIVE
TERMINAL)
8.
INSPECT IGNITION SWITCH
(a) Inspect the ignition switch
.
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: Cranking Ho...
OK
OK
NG
REPLACE IGNITION SWITCH
9.
INSPECT PARK/NEUTRAL POSITION SWITCH (POWER SOURCE)
(a) Disconnect the D35 park/neutral position switch
connector.
(b) Measure the voltage according to the value(s) in the
table below.
Standard voltage:
TESTER
CONNECTION
CONDITION
SPECIFIED
CONDITION
D35-4 (B) - Body
ground
While cranking the
engine
11 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
(PARK/NEUTRAL POSITION SWITCH -
IGNITION SWITCH)
10.
INSPECT PARK/NEUTRAL POSITION SWITCH
(a) Disconnect the D35 park/neutral position switch
connector.
(b) Measure the resistance according to the value(s) in the
table below.
Standard resistance:
TESTER
CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
4 (B) - 5 (L)
Shift lever position
P
Below 1 Ω
Shift lever position
N
Below 1 Ω
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: Cranking Ho...
OK
Result
RESULT
PROCEED TO
OK
A
NG
B
B
REPLACE PARK/NEUTRAL POSITION SWITCH
ASSEMBLY
A
REPAIR OR REPLACE HARNESS OR CONNECTOR
(PNP SWITCH - ECM)
11.
CHECK HARNESS AND CONNECTOR (IGNITION SWITCH - ECM)
(a) Disconnect the J9 ignition switch connector.
(b) Disconnect the A24 ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
J9-7 (ST2) - A24-14 (STSW)
Always
Below 1 Ω
J9-7 (ST2) or A24-14 (STSW) - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
12.
CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - ECM)
(a) Disconnect the D35 park/neutral position switch connector.
(b) Disconnect the D74 ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D35-4 (B) - D74-16 (STAR)
Always
Below 1 Ω
D35-4 (B) or D74-16 (STAR) - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: Cranking Ho...
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