Nissan Terrano r20e. Instruction — part 117
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch “ON”.
2) Select “DATA MONITOR” mode with CONSULT-II.
3) Fully depress and fully release accelerator pedal, and wait 15
seconds.
4) Repeat step 3 at least 29 times.
5) If DTC is detected, go to “Diagnostic Procedure”, EC-107.
WITHOUT CONSULT-II
1) Turn ignition switch “ON”.
2) Fully depress and fully release accelerator pedal, and then wait
15 seconds.
3) Repeat step 2 at least 29 times.
4) Turn ignition switch “OFF”, wait at least 5 seconds and then turn
“ON”.
5) Perform “Diagnostic Test Mode II (Self-diagnostic results)” with
ECM.
6) If DTC is detected, go to “Diagnostic Procedure”, EC-107.
SEF817Y
DTC 0203 ACCEL POS SW (F/C)
ZD30DDTi
EC-105
Wiring Diagram
YEC178A
DTC 0203 ACCEL POS SW (F/C)
ZD30DDTi
EC-106
Diagnostic Procedure
1
CHECK ACCELERATOR SWITCH (F/C) GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Loosen and retighten engine ground screws.
3. Disconnect accelerator switch (F/C) harness connector.
MEC995D
4. Check harness continuity between accelerator switch (F/C) terminal 3 and engine ground. Refer to Wiring Diagram.
Continuity should exist.
5. Also check harness for short to ground and short to power.
OK or NG
OK
E
GO TO 3.
NG
E
GO TO 2.
2
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors F108, E225
I
Harness connectors M842, F135 (RHD models)
I
Harness for open or short between accelerator switch (F/C) and engine ground
E
Repair open circuit or short to ground or short to power in harness or connectors.
3
CHECK ACCELERATOR SWITCH (F/C) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 29 and accelerator switch (F/C) terminal 1. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK
E
GO TO 4.
NG
E
Repair open circuit or short to ground or short to power in harness or connectors.
DTC 0203 ACCEL POS SW (F/C)
ZD30DDTi
EC-107
4
CHECK ACCELERATOR SWITCH (F/C)
1. Disconnect accelerator switch harness connector.
2. Check continuity between accelerator switch (F/C) connector terminals 1 and 3 under the following conditions.
MEC997D
MTBL1323
OK or NG
OK
E
GO TO 5.
NG
E
Replace accelerator pedal assembly.
5
CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-78.
E
INSPECTION END
DTC 0203 ACCEL POS SW (F/C)
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-108
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