Page 1593 of 3051
Wiring DiagramNLEC0691
YEC728
DTC P0335 CRANK POS SEN (TDC)YD22DDTI
Wiring Diagram
EC-1168
Page 1594 of 3051

Diagnostic ProcedureNLEC0692
1 CHECK CRANKSHAFT POSITION SENSOR (TDC) GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Loosen and retighten engine ground screws.
SEF380Y
3. Disconnect crankshaft position sensor (TDC) harness connector and ECM harness connector.
SEF387Y
4. Check harness continuity between ECM terminal 331 and crankshaft position sensor (TDC) terminal 1. Refer to Wiring
Diagram.
Continuity should exist.
5. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 2.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
2 CHECK CRANKSHAFT POSITION SENSOR (TDC) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between crankshaft position sensor (TDC) terminal 2 and ECM terminal 344. Refer to Wiring
Diagram.
Continuity should exist.
2. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 3.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
DTC P0335 CRANK POS SEN (TDC)YD22DDTI
Diagnostic Procedure
EC-1169
Page 1599 of 3051
Wiring DiagramNLEC0658MODELS WITH ECM IN ENGINE COMPARTMENTNLEC0658S01
YEC724
DTC P0500 VEHICLE SPEED SENYD22DDTI
Wiring Diagram
EC-1174
Page 1600 of 3051
MODELS WITH ECM IN CABINNLEC0658S02
YEC860
DTC P0500 VEHICLE SPEED SENYD22DDTI
Wiring Diagram (Cont'd)
EC-1175
Page 1601 of 3051

Diagnostic ProcedureNLEC0659
1 CHECK VEHICLE SPEED SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector and combination meter harness connector.
3. Check harness continuity between ECM terminal 417 and combination meter terminal 10. Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 3.
NG©GO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors M50, F24 (where fitted)
+Harness connectors M71, F45 (where fitted)
+Harness for open or short between ECM and combination meter
©Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK SPEEDOMETER FUNCTION
Make sure that speedometer functions properly.
OK or NG
OK©GO TO 5.
NG©GO TO 4.
4 CHECK SPEEDOMETER CIRCUIT FOR OPEN AND SHORT
Check the following.
+Harness connectors M50, F24 (where fitted)
+Harness connectors M49, F23 (where fitted)
+Harness connectors M71, F45 (where fitted)
+Harness connectors M72, F44 (where fitted)
+Harness for open or short between combination meter and vehicle speed sensor
OK or NG
OK©Check vehicle speed sensor and combination meter. Refer to EL section.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
5 CHECK INTERMITTENT INCIDENT
Refer to ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-1135.
©INSPECTION END
DTC P0500 VEHICLE SPEED SENYD22DDTI
Diagnostic Procedure
EC-1176
Page 1604 of 3051
Wiring DiagramNLEC0742MODELS WITH ECM IN ENGINE COMPARTMENTNLEC0742S01
YEC729
DTC P0571 BRAKE SWYD22DDTI
Wiring Diagram
EC-1179
Page 1605 of 3051
MODELS WITH ECM IN CABINNLEC0742S02
YEC861
DTC P0571 BRAKE SWYD22DDTI
Wiring Diagram (Cont'd)
EC-1180
Page 1607 of 3051
4 CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Disconnect stop lamp switch harness connector.
SEF751Z
4. Check harness continuity between ECM terminal 405 and stop lamp switch terminal 2. Refer to Wiring Diagram.
Continuity should exist.
5. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 6.
NG©GO TO 5.
5 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors M50, F24 (where fitted)
+Harness connectors M72, F44 (where fitted)
+Harness for open or short between ECM and stop lamp switch
©Repair open circuit or short to ground or short to power in harness or connectors.
6 CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch terminals 1 and 2 under the following conditions.
SEF753Z
OK or NG
OK©GO TO 7.
NG©Replace stop lamp switch.
DTC P0571 BRAKE SWYD22DDTI
Diagnostic Procedure (Cont'd)
EC-1182