DESCRIPTION
The ECM uses the neutral position switch installed to the manual transmission assembly to detect when the transmission is in the neutral position.
WIRING DIAGRAM
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (NEUTRAL SWITCH) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine / Data List / Neutral Switch.
(e) Read the value when the shift lever is in neutral and any other position
OK:
Tester Display |
Condition |
Normal Condition |
---|---|---|
Neutral Position Switch |
Shift lever is in neutral |
ON |
Shift lever is in any position other than neutral |
OFF |
OK |
USE SIMULATION METHOD TO CHECK |
|
2. |
CHECK TERMINAL VOLTAGE (VC) |
(a) Turn the ignition switch to ON.
(b) Measure the voltage according to the value(s) in the table below.
*a |
Component with harness connected (ECM) |
- |
- |
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E10-23 (VC) - E9-23 (ETHW) |
Ignition switch ON |
4.8 to 5.2 V |
NG |
GO TO SFI SYSTEM |
|
3. |
CHECK HARNESS AND CONNECTOR (ECM - NEUTRAL POSITION SWITCH) |
(a) Disconnect the E9, E10 and E11 ECM connectors.
(b) Disconnect the N37 neutral position switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E10-23 (VC) - N37-1 (W1) |
Always |
Below 1 Ω |
E11-22 (NPSW) - N37-2 (TMN) |
Always |
Below 1 Ω |
E9-23 (ETHW) - N37-3 (F+) |
Always |
Below 1 Ω |
E10-23 (VC) or N37-1 (W1) - Body ground |
Always |
10 kΩ or higher |
E11-22 (NPSW) or N37-2 (TMN) - Body ground |
Always |
10 kΩ or higher |
E9-23 (ETHW) or N37-3 (F+) - Body ground |
Always |
10 kΩ or higher |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK TERMINAL VOLTAGE (NPSW) |
(a) Measure the voltage according to the value(s) in the table below.
*a |
Component with harness connected (ECM) |
- |
- |
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E11-22 (NPSW) - E9-23 (ETHW) |
Ignition switch ON, shift lever in neutral |
2.7 to 4.3 V |
Ignition switch ON, shift lever in any position other than neutral |
0.7 to 1.9 V |
OK |
REPLACE ECM |
|
5. |
REPLACE NEUTRAL POSITION SWITCH |
(a) Replace the neutral position switch.
Click here
|
6. |
READ VALUE USING TECHSTREAM (NEUTRAL SWITCH) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine / Data List / Neutral Switch.
(e) Read the value when the shift lever is in neutral and any other position
OK:
Tester Display |
Condition |
Normal Condition |
---|---|---|
Neutral Switch |
Shift lever is in neutral |
ON |
Shift lever is in any position other than neutral |
OFF |
OK |
END |
NG |
REPLACE ECM |
Fuel Sender Open Detected (B1500)
DESCRIPTION
This DTC is output when the combination meter assembly detects a fuel sender
gauge assembly malfunction.
DTC No.
DTC Detection Condition
Trouble Area
B1500
When either of the following conditions is detected:
...
Check Bus 2 Line for Short to +B
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and +B when no
resistance exists between terminal 18 (CA4H) of the central gateway ECU (network
gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central
gateway ECU (network gateway ECU) and ...
Crankshaft Position Sensor "A" Signal Stuck in Range (P03352A,P033531)
DESCRIPTION
The crankshaft position sensor system consists of a crankshaft position sensor
plate and a pickup coil. The crankshaft position sensor plate has 34 teeth and is
installed to the crankshaft. The pickup coil is made of wound copper wire, an iron
core and a magnet. The crankshaft pos ...