RM3660EC _59 Vehicle Exterior _080784 LIGHTING (EXT) _0600056 LIGHTING SYSTEM(except NR Series Engine) J

LIGHTING (EXT)  LIGHTING SYSTEM(except NR Series Engine)  Back-up Light Circuit  


DESCRIPTION

for HV Model:

The hybrid vehicle control ECU controls the back-up lights via the BKUP LP relay.


for Gasoline Model:

The ECM controls the back-up lights via the BKUP LP relay.


WIRING DIAGRAM

for HV Model


E517128E03
6.115,0.813 6.552,1.24 0.438,0.427 10 false IC 4.781,2.625 5.854,2.823 1.073,0.198 10 false BKUP LP 0.823,1.302 3.656,1.552 2.833,0.25 10 false Hybrid Vehicle Control ECU 1.406,2.198 3.271,2.458 1.865,0.26 10 false Back-up Light 1.104,2.917 3.333,3.354 2.229,0.438 10 false Rear Light Assembly RH 1.125,2.156 1.281,2.354 0.156,0.198 10 false E 2.469,2.135 2.927,2.333 0.458,0.198 10 false B 1.906,0.771 2.365,0.969 0.458,0.198 10 false BL 1.063,2.729 1.521,2.927 0.458,0.198 10 false O109 2.198,0.646 2.656,0.844 0.458,0.198 10 false 24 3.521,0.552 3.979,0.75 0.458,0.198 10 false 27 3.479,0.771 3.938,0.969 0.458,0.198 10 false 10F 3.458,2.156 3.917,2.354 0.458,0.198 10 false 10G 2.729,2.052 3.188,2.25 0.458,0.198 10 false 1*2 3.5,1.958 3.958,2.156 0.458,0.198 10 false 13 0.781,2.052 1.24,2.25 0.458,0.198 10 false 2*2 0.802,1.094 1.26,1.292 0.458,0.198 10 false I3 4.177,2.938 6.406,3.375 2.229,0.438 10 false Power Distribution Box Assembly 2.729,1.854 3.188,2.052 0.458,0.198 10 false 2*1 0.771,1.875 1.229,2.073 0.458,0.198 10 false 1*1 0.385,3.385 2.688,3.667 2.302,0.281 10 false *1: for TFTM Made 2.104,3.375 4.406,3.656 2.302,0.281 10 false *2: for GTMC Made


for Gasoline Model


E517128E04
6.115,0.813 6.552,1.24 0.438,0.427 10 false IC 4.781,2.625 5.854,2.823 1.073,0.198 10 false BKUP LP 1.375,1.427 2.125,1.698 0.75,0.271 10 false ECM 1.406,2.198 3.271,2.458 1.865,0.26 10 false Back-up Light 1.104,2.917 3.333,3.354 2.229,0.438 10 false Rear Light Assembly RH 1.125,2.156 1.281,2.354 0.156,0.198 10 false E 2.469,2.135 2.927,2.333 0.458,0.198 10 false B 1.906,0.771 2.365,0.969 0.458,0.198 10 false BL 1.063,2.729 1.521,2.927 0.458,0.198 10 false O109 2.198,0.646 2.656,0.844 0.458,0.198 10 false 82 3.521,0.552 3.979,0.75 0.458,0.198 10 false 17 3.479,0.771 3.938,0.969 0.458,0.198 10 false 10A 3.458,2.156 3.917,2.354 0.458,0.198 10 false 10G 2.729,2.052 3.188,2.25 0.458,0.198 10 false 1*2 3.5,1.958 3.958,2.156 0.458,0.198 10 false 13 0.781,2.052 1.24,2.25 0.458,0.198 10 false 2*2 1.25,1.281 1.708,1.479 0.458,0.198 10 false A142 4.177,2.938 6.406,3.375 2.229,0.438 10 false Power Distribution Box Assembly 2.729,1.854 3.188,2.052 0.458,0.198 10 false 2*1 0.771,1.875 1.229,2.073 0.458,0.198 10 false 1*1 0.385,3.385 2.688,3.667 2.302,0.281 10 false *1: for TFTM Made 2.156,3.396 4.458,3.677 2.302,0.281 10 false *2: for GTMC Made


CAUTION / NOTICE / HINT

NOTICE:
·

Inspect the fuses for circuits related to this system before performing the following procedure.

·

Before replacing the hybrid vehicle control ECU, refer to Service Bulletin.*1

·

Before replacing the ECM, refer to Service Bulletin.*2

*1: for HV Model

*2: for Gasoline Model




PROCEDURE

1.CONFIRM MODEL
a.

Choose the model to be inspected.


Result:
Result Proceed to
for HV Model A
for Gasoline Model B



A

2.CHECK FOR DTC

B

6.CHECK FOR DTC
2.CHECK FOR DTC
a.

Check if hybrid control system DTCs are output.

Powertrain > Hybrid Control > Trouble Codes
50001 397

Result:
Result Proceed to
DTCs are not output A
DTCs are output B



A

3.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - POWER DISTRIBUTION BOX ASSEMBLY)

B

3.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Disconnect the 10F power distribution box assembly connector.


b.

Disconnect the I3 hybrid vehicle control ECU connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I3-24 (BL) - 10F-27 Always Below 1 Ω
I3-24 (BL) or 10F-27 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

4.CHECK HYBRID VEHICLE CONTROL ECU (OUTPUT VOLTAGE)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HYBRID VEHICLE CONTROL ECU (OUTPUT VOLTAGE)
a.

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

Standard Voltage:
Tester Connection Condition Specified Condition
10F-27 - Body ground Ignition switch ON, shift lever not in R Below 1 V
10F-27 - Body ground Ignition switch on (IG), shift lever in R 11 to 14 V



Result:
Proceed to
OK
NG



OK

5.INSPECT POWER DISTRIBUTION BOX ASSEMBLY (OUTPUT VOLTAGE)

NG

5.INSPECT POWER DISTRIBUTION BOX ASSEMBLY (OUTPUT VOLTAGE)
E500966C06
0.563,0.854 0.896,1.104 0.333,0.25 0.604,0.885 0.917,1.083 0.313,0.198 10 false 10G 0.25,0.125 0.563,0.323 0.313,0.198 10 false *a
*a Component with harness connected
(Power Distribution Box Assembly)


a.

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

Standard Voltage:
Tester Connection Condition Specified Condition
10G-13 - Body ground Ignition switch ON, shift lever not in R Below 1 V
10G-13 - Body ground Ignition switch ON, shift lever in R 11 to 14 V



Result:
Proceed to
OK
NG



OK

REPAIR OR REPLACE HARNESS OR CONNECTOR

NG

7.CHECK HARNESS AND CONNECTOR (ECM - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Disconnect the 10A power distribution box assembly connector.


b.

Disconnect the A142 ECM connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A142-82 (BL) - 10A-17 Always Below 1 Ω
A142-82 (BL) or 10A-17 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

8.CHECK ECM (OUTPUT VOLTAGE)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.CHECK ECM (OUTPUT VOLTAGE)
E500966C05
0.563,1.635 0.906,1.885 0.344,0.25 0.615,1.677 0.927,1.875 0.313,0.198 10 false 10A 0.25,0.125 0.563,0.323 0.313,0.198 10 false *a
*a Component with harness connected
(Power Distribution Box Assembly)


a.

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

Standard Voltage:
Tester Connection Condition Specified Condition
10A-17 - Body ground Ignition switch ON, shift lever not in R Below 1 V
10A-17 - Body ground Ignition switch on (IG), shift lever in R 11 to 14 V



Result:
Proceed to
OK
NG



OK

9.INSPECT POWER DISTRIBUTION BOX ASSEMBLY (OUTPUT VOLTAGE)

NG

9.INSPECT POWER DISTRIBUTION BOX ASSEMBLY (OUTPUT VOLTAGE)
E500966C06
0.563,0.854 0.896,1.104 0.333,0.25 0.604,0.885 0.917,1.083 0.313,0.198 10 false 10G 0.25,0.125 0.563,0.323 0.313,0.198 10 false *a
*a Component with harness connected
(Power Distribution Box Assembly)


a.

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

Standard Voltage:
Tester Connection Condition Specified Condition
10G-13 - Body ground Ignition switch ON, shift lever not in R Below 1 V
10G-13 - Body ground Ignition switch ON, shift lever in R 11 to 14 V



Result:
Proceed to
OK
NG



OK

REPAIR OR REPLACE HARNESS OR CONNECTOR

NG