DESCRIPTION
The radio and display receiver assembly receives a reverse signal from the park/neutral position switch assembly.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL) |
(a) Disconnect the G49 radio and display receiver assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
G49-2 (REV) - Body ground |
Ignition switch ON Shift lever in R |
11 to 14 V |
G49-2 (REV) - Body ground |
Ignition switch ON Shift lever in any position other than R |
Below 1 V |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - PARK/NEUTRAL POSITION SWITCH ASSEMBLY) |
(a) Disconnect the G49 radio and display receiver 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 |
---|---|---|
G49-2 (REV) - B42-1 (RL) |
Always |
Below 1 Ω |
G49-2 (REV) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
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:
|
|
(c) Proceed to the next step based on the check result.
Result |
Proceed to |
---|---|
NG |
A |
OK (for A750E) |
B |
OK (for A750F) |
C |
A | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
B | ![]() |
REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
C | ![]() |
REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
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