- Yaw rate sensor is normal.
- G sensor lateral operation is normal.
- Vehicle speed is 40 km/h (24.9 mph) or more.
- Reversing signal is output from ECM for 1 second or more.
| Last Modified: 11-29-2007 | 1.6 C | |
| Service Category: Brake | Section: Brake Control/Dynamic Control System | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM0000030MV003X |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DESCRIPTION (2008 Sequoia) | ||
|
DTC |
C1207/37 |
Malfunction in Park / Neutral Position Switch |
DESCRIPTION
The park/neutral position switch signal is sent to the skid control ECU via the CAN communication system.
When there is a malfunction in the CAN communication system, it will be detected by the diagnostic function.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1207/37 |
When all conditions below are met: |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
When replacing the VSC actuator assembly, perform zero point calibration
.
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if the CAN communication system DTC is output
.
Result
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
|
|
2. |
INSPECT PARK / NEUTRAL POSITION SWITCH ASSEMBLY |
|
(a) Disconnect the D21 switch connector. |
(b) Measure the resistance of the park/neutral position switch when the shift lever is moved to each position.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
2 (RB) - 6 (PL) |
Shift lever in P |
Below 1 Ω |
|
2 (RB) - 1 (RL) |
Shift lever in R |
|
|
2 (RB) - 9 (NL) |
Shift lever in N |
|
|
2 (RB) - 7 (DL) |
Shift lever in D Shift lever in S, "+" and "-" |
|
|
4 (B) - 5 (L) |
Shift lever in P or N |
|
|
2 (RB) - 6 (PL) |
Shift lever not in P |
10 kΩ or higher |
|
2 (RB) - 1 (RL) |
Shift lever not in R |
|
|
2 (RB) - 9 (NL) |
Shift lever not in N |
|
|
2 (RB) - 7 (DL) |
Shift lever not in D Shift lever not in S, "+" and "-" |
|
|
4 (B) - 5 (L) |
Shift lever in P and N |
|
|
3. |
CHECK PARK / NEUTRAL POSITION SWITCH ASSEMBLY (POWER SOURCE) |
|
(a) Disconnect the D21 switch connector. |
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
D21-2 (RB) - Body ground |
Ignition switch ON |
11 to 14 V |
|
D21-2 (RB) - Body ground |
Ignition switch off |
Below 1 V |
|
|
4. |
CHECK HARNESS AND CONNECTOR (PARK / NEUTRAL POSITION SWITCH - ECM) |
(a) Disconnect the D21 switch connector.
|
(b) Disconnect the D56 ECM connector. |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D21-4 (B) - D56-120 (NSW) |
Always |
Below 1 Ω |
|
D21-4 (B) or D56-120 (NSW) - Body ground |
Always |
10 kΩ or higher |
|
|
5. |
CHECK HARNESS AND CONNECTOR (PARK / NEUTRAL POSITION SWITCH - ECM) |
|
(a) Disconnect the D56 ECM connector. |
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
D56-2 (P) - Body ground |
Ignition switch ON Shift lever in P |
11 to 14 V |
|
D56-26 (R) - Body ground |
Ignition switch ON Shift lever in R |
11 to 14 V* |
|
D56-25 (N) - Body ground |
Ignition switch ON Shift lever in N |
11 to 14 V |
|
D56-27 (D) - Body ground |
Ignition switch ON Shift lever in D |
|
|
D56-2 (P) - Body ground |
Ignition switch ON Shift lever not in P |
Below 1 V |
|
D56-26 (R) - Body ground |
Ignition switch ON Shift lever not in R |
|
|
D56-25 (N) - Body ground |
Ignition switch ON Shift lever not in N |
|
|
D56-27 (D) - Body ground |
Ignition switch ON Shift lever not in D |
HINT:
*: The voltage will drop slightly due to the turning on of the back up light.
Result
|
Result |
Proceed to |
|---|---|
|
NG |
A |
|
OK (for 2UZ-FE) |
B |
|
OK (for 3UR-FE) |
C |
|
|
|