DESCRIPTION
This circuit sends the park/neutral position switch assembly signals to the clearance warning ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
(a) Disconnect the B42 park/neutral position switch assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 (RL) - 2 (RB) |
Shift lever in R |
Below 1 Ω |
Shift lever not in R |
10 kΩ or higher |
|
2 (RB) - 6 (PL) |
Shift lever in P |
Below 1 Ω |
Shift lever not in P |
10 kΩ or higher |
*a |
Component without harness connected (Park/Neutral Position Switch Assembly) |
Result |
Proceed to |
---|---|
OK |
A |
NG (for A750F) |
B |
NG (for A750E) |
C |
B |
REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
C |
REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
|
2. |
CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - BATTERY) |
(a) Disconnect the B42 park/neutral position switch assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
B42-2 (RB) - Body ground |
Ignition switch ON |
11 to 14 V |
*a |
Front view of wire harness connector (to Park/Neutral Position Switch Assembly) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - PARK/NEUTRAL POSITION SWITCH ASSEMBLY) |
(a) Disconnect the F95 clearance warning ECU assembly connector.
(b) Disconnect the B42 park/neutral position switch assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F95-7 (PL) - B42-6 (PL) |
Always |
Below 1 Ω |
F95-23 (RL) - B42-1 (RL) |
Always |
Below 1 Ω |
F95-7 (PL) - Body ground |
Always |
10 kΩ or higher |
F95-23 (RL) - Body ground |
Always |
10 kΩ or higher |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
When installing the clip, heat the vehicle body and clip using a heat
light.
Standard:
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The ECM is connected to the CAN communication system. Therefore, before
starting troubleshooting, make sure to check that there is no trouble in
the CAN communication system.
*: Use the Techstream.
PRO ...