Toyota Tundra Service Manual: Terminals Of Ecu

J35-11 (IG) - J35-16 (E)

BE - W-B

Power source (IG)

Ignition switch ON, back sonar or clearance sonar switch assembly OFF

Below 1 V

Ignition switch ON, back sonar or clearance sonar switch assembly ON

11 to 14 V

J35-16 (E) - Body ground

W-B - Body ground

ECU ground

Always

Below 1 Ω

J35-2 (ER) - J35-16 (E)

V - W-B

Clearance warning buzzer

Ignition switch ON, back sonar or clearance sonar switch assembly ON, shift lever in R and sensor is detecting state (buzzer sounding)

Pulse generation (See waveform 1)

Buzzer not sounding

11 to 14 V

J35-3 (BOF) - J35-16 (E)

R - W-B

Ultrasonic sensor power source

Ignition switch ON, back sonar or clearance sonar switch assembly ON

7.2 to 8.8 V

J35-4 (E5) - J35-16 (E)

G - W-B

ECU ground

Always

Below 1 Ω

J35-5 (SOF) - J35-4 (E5)

L - G

Front sensor communication signal

Ignition switch ON, back sonar or clearance sonar switch assembly ON, shift lever not in R

Pulse generation (See waveform 3)

J35-6 (PL) - J35-16 (E)

B - W-B

Parking position signal

Ignition switch ON, shift lever not in P

Below 1.5 V

Ignition switch ON, shift lever in P

7 V or higher

J35-7 (L1) - J35-16 (E)

G - W-B

Rear corner ultrasonic sensor RH

Clearance warning indicator LED for rear corner sensor RH illuminates

Below 3 V

J35-8 (L2) - J35-16 (E)

GR - W-B

Rear corner ultrasonic sensor LH

Clearance warning indicator LED for rear corner sensor RH illuminates

Below 3 V

J35-9 (L4) - J35-16 (E)

W - W-B

Front corner ultrasonic sensor RH

Clearance warning indicator LED for front corner sensor RH illuminates

Below 3 V

J35-10 (L10) - J35-16 (E)

R - W-B

Clearance warning ECU signal

Clearance warning indicator's operation indicator illuminates

Below 3 V

J35-12 (BOR) - J35-16 (E)

P - W-B

Ultrasonic sensor power source

Ignition switch ON, back sonar or clearance sonar switch assembly ON

7.2 to 8.8 V

J35-13 (E1) - J35-16 (E)

GR - W-B

ECU ground

Always

Below 1 Ω

J35-14 (SOR) - J35-13 (E1)

LG - GR

Rear sensor communication signal

Ignition switch ON, back sonar or clearance sonar switch assembly ON, shift lever in R

Pulse generation (See waveform 2)

J35-17 (SPD) - J35-16 (E)

V - W-B

Vehicle speed signal

Ignition switch ON, drive wheels are turned slowly

Alternating between 1.5 to 4.5 V

J35-21 (RL) - J35-16 (E)

W - W-B

Reverse position signal

Ignition switch ON, shift lever not in R

Below 1.5 V

Ignition switch ON, shift lever in R

7 V or higher

J35-23 (L3) - J35-16 (E)

SB - W-B

Rear center ultrasonic sensor

Clearance warning indicator LED for rear center sensor illuminates

Below 3 V

J35-24 (L5) - J35-16 (E)

LG - W-B

Front corner ultrasonic sensor LH

Clearance warning indicator LED for front corner sensor LH illuminates

Below 3 V

Terminal No. (Symbol)

J35-2 (ER) - J35-16 (E)

Tool Setting

2 V/DIV., 200 μsec./DIV.

Condition

Ignition switch ON, back sonar or clearance sonar switch assembly ON, shift lever in R and sensor is detecting state (buzzer sounding)

Terminal No. (Symbol)

J35-14 (SOR) - J35-13 (E1)

Tool Setting

2 V/DIV., 200 μsec./DIV.

Condition

Ignition switch ON, back sonar or clearance sonar switch assembly ON, shift lever in R

Terminal No. (Symbol)

J35-5 (SOF) - J35-4 (E5)

Tool Setting

2 V/DIV., 200 μsec./DIV.

Condition

Ignition switch ON, back sonar or clearance sonar switch assembly ON, shift lever not in R