RM38T0EC _51 Engine / Hybrid System _144957 HYBRID / BATTERY CONTROL _0604232 HYBRID CONTROL SYSTEM J

HYBRID / BATTERY CONTROL  HYBRID CONTROL SYSTEM  Indicator Circuit  


DESCRIPTION

In accordance with the shift lever position, each shift position indicator light will turn on.

WIRING DIAGRAM

A520721E08
0.167,1 1.042,1.656 0.875,0.656 10 false from Auxiliary Battery 1.25,1.167 2.323,1.365 1.073,0.198 10 false ECU-IGR NO. 2 2.354,0.896 2.625,1.125 0.271,0.229 10 false 5 2.573,1.01 3.031,1.208 0.458,0.198 10 false PWR 3.594,1.021 3.75,1.219 0.156,0.198 10 false P 3.594,1.448 3.75,1.646 0.156,0.198 10 false R 3.594,1.875 3.75,2.094 0.156,0.219 10 false N 3.604,2.302 3.76,2.521 0.156,0.219 10 false D 3.604,2.729 3.76,2.948 0.156,0.219 10 false S 3.813,0.938 4.125,1.229 0.313,0.292 10 false 6 3.813,1.354 3.969,1.552 0.156,0.198 10 false 7 3.813,1.781 3.969,1.979 0.156,0.198 10 false 8 3.813,2.198 3.969,2.396 0.156,0.198 10 false 9 3.813,2.635 4.115,2.844 0.302,0.208 10 false 10 5.656,0.521 6.271,0.719 0.615,0.198 10 false IGR 5.667,1.031 6.281,1.229 0.615,0.198 10 false INDP 5.667,1.458 6.281,1.656 0.615,0.198 10 false INDR 5.667,1.885 6.281,2.083 0.615,0.198 10 false INDN 5.677,2.313 6.292,2.51 0.615,0.198 10 false INDD 5.677,2.719 6.292,2.917 0.615,0.198 10 false INDM 5.333,0.333 5.646,0.531 0.313,0.198 10 false 8 5.375,0.844 5.688,1.042 0.313,0.198 10 false 7 5.344,1.271 5.656,1.469 0.313,0.198 10 false 17 5.333,1.688 5.646,1.885 0.313,0.198 10 false 21 5.365,2.115 5.677,2.313 0.313,0.198 10 false 6 5.333,2.531 5.646,2.729 0.313,0.198 10 false 20 5.24,0.51 5.698,0.708 0.458,0.198 10 false A197 5.281,1.031 5.896,1.229 0.615,0.198 10 false I278 2.167,3.042 2.479,3.24 0.313,0.198 10 false I250 2.177,3.219 4.125,3.594 1.948,0.375 10 false Shift Position Indicator (Position Indicator Housing Assembly) 5.198,3.188 6.979,3.646 1.781,0.458 10 false Hybrid Vehicle Control ECU 0.167,0.427 1.021,0.771 0.854,0.344 10 false from Auxiliary Battery 1.25,0.688 3.24,0.885 1.99,0.198 10 false ECU-IGR NO. 1 5.271,1.448 5.885,1.646 0.615,0.198 10 false I278 5.281,1.865 5.896,2.063 0.615,0.198 10 false I278 5.281,2.302 5.896,2.5 0.615,0.198 10 false I278 5.271,2.719 5.885,2.917 0.615,0.198 10 false I278

PROCEDURE

1.CHECK SHIFT POSITION INDICATOR
a.

Turn the ignition switch to ACC.


b.

Check that each shift position indicator light turns on correctly.

Result:
Result Proceed to
All shift position indicator lights turn on simultaneously A
Shift position indicator lights other than corresponding one turn on B
Corresponding shift position indicator light does not turn on C
No shift position indicator lights turn on D



c.

Turn the ignition switch off.



A

2.CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO GND)

B

2.CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO GND)

C

4.CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

D

4.CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
2.CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO GND)
a.

Disconnect the hybrid vehicle control ECU connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I278-7 (INDP) - Body ground and other terminals Always 10 kΩ or higher
I278-17 (INDR) - Body ground and other terminals Always 10 kΩ or higher
I278-21 (INDN) - Body ground and other terminals Always 10 kΩ or higher
I278-6 (INDD) - Body ground and other terminals Always 10 kΩ or higher
I278-20 (INDM) - Body ground and other terminals Always 10 kΩ or higher



c.

Reconnect the hybrid vehicle control ECU connector.


Result:
Proceed to
OK
NG



OK

NG

3.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - SHIFT POSITION INDICATOR (POSITION INDICATOR HOUSING ASSEMBLY))
3.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - SHIFT POSITION INDICATOR (POSITION INDICATOR HOUSING ASSEMBLY))
a.

Disconnect the hybrid vehicle control ECU connector.


b.

Disconnect the shift position indicator (position indicator housing assembly) connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I278-7 (INDP) or I250-6 (P) - Body ground and other terminals Always 10 kΩ or higher
I278-17 (INDR) or I250-7 (R) - Body ground and other terminals Always 10 kΩ or higher
I278-21 (INDN) or I250-8 (N) - Body ground and other terminals Always 10 kΩ or higher
I278-6 (INDD) or I250-9 (D) - Body ground and other terminals Always 10 kΩ or higher
I278-20 (INDM) or I250-10 (S) - Body ground and other terminals Always 10 kΩ or higher



d.

Reconnect the shift position indicator (position indicator housing assembly) connector.


e.

Reconnect the hybrid vehicle control ECU connector.


Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
a.

Disconnect the shift position indicator connector.


b.

Turn the ignition switch to ACC.


c.

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

Standard Voltage:
Tester Connection Condition Specified Condition
I250-5 (PWR) - Body ground Ignition switch ACC 11 to 14 V



d.

Turn the ignition switch off.


e.

Reconnect the shift position indicator connector.


Result:
Proceed to
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL IGR)

NG

REPAIR OR REPLACE POWER SOURCE CIRCUIT

5.CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL IGR)
a.

Turn the ignition switch to ACC.


b.

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

A502139C79
2.479,0.26 2.917,0.542 0.438,0.281 1.938,2.385 2.573,1.271 true 0.25,0.167 0.563,0.323 0.313,0.156 10 false *a 1.802,2.406 2.25,2.677 0.448,0.271 10 false IGR 2.542,0.302 3.021,0.563 0.479,0.26 10 false A197
*a Component with harness connected
(Hybrid Vehicle Control ECU)
- -


Standard Voltage:
Tester Connection Condition Specified Condition
A197-8 (IGR) - Body ground Ignition switch ACC 11 to 14 V



c.

Turn the ignition switch off.


Result:
Proceed to
OK
NG



OK

6.CHECK HARNESS AND CONNECTOR (CHECK FOR OPEN)

NG

REPAIR OR REPLACE POWER SOURCE CIRCUIT

6.CHECK HARNESS AND CONNECTOR (CHECK FOR OPEN)
a.

Disconnect the hybrid vehicle control ECU connector.


b.

Turn the ignition switch to ACC.


c.

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

Standard Voltage:
Tester Connection Condition Specified Condition
I278-7 (INDP) - Body ground and other terminals Ignition switch ACC 11 to 14 V
I278-17 (INDR) - Body ground and other terminals Ignition switch ACC 11 to 14 V
I278-21 (INDN) - Body ground and other terminals Ignition switch ACC 11 to 14 V
I278-6 (INDD) - Body ground and other terminals Ignition switch ACC 11 to 14 V
I278-20 (INDM) - Body ground and other terminals Ignition switch ACC 11 to 14 V



d.

Turn the ignition switch off.


e.

Reconnect the hybrid vehicle control ECU connector.


Result:
Proceed to
OK
NG



OK

NG

7.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - SHIFT POSITION INDICATOR (POSITION INDICATOR HOUSING ASSEMBLY))
7.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - SHIFT POSITION INDICATOR (POSITION INDICATOR HOUSING ASSEMBLY))
a.

Disconnect the hybrid vehicle control ECU connector.


b.

Disconnect the shift position indicator connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I278-7 (INDP) - I250-6 (P) Always Below 1 Ω
I278-17 (INDR) - I250-7 (R) Always Below 1 Ω
I278-21 (INDN) - I250-8 (N) Always Below 1 Ω
I278-6 (INDD) - I250-9 (D) Always Below 1 Ω
I278-20 (INDM) - I250-10 (S) Always Below 1 Ω



d.

Reconnect the shift position indicator connector.


e.

Reconnect the hybrid vehicle control ECU connector.


Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR