Park / Neutral Position Switch Circuit
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.
PROCEDUREINSPECT 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 | .gif) | REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
| C | | REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
|
.gif)
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 |
|
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 |
Test yourself
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