Nissan Silvia. Manual — part 150
4
CHECK IGNITION COIL POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect condenser harness connector.
SEC380C
3. Turn ignition switch ON.
4. Check voltage between condenser terminal 1 and ground with CONSULT-II or tester.
SEF367X
OK or NG
OK
©
GO TO 10.
NG
©
GO TO 5.
5
CHECK IGNITION COIL POWER SUPPLY CIRCUIT-III
1. Turn ignition switch OFF.
2. Disconnect ECM relay.
SEC376C
3. Check harness continuity between ECM relay terminal 6 and condenser terminal 1. 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 7.
NG
©
GO TO 6.
GI
MA
EM
LC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC 0201 IGNITION SIGNAL
Diagnostic Procedure (Cont’d)
EC-115
6
DETECT MALFUNCTIONING PART
Check the harness for open or short between ECM relay and condenser.
©
Repair open circuit or short to ground or short to power in harness or connectors.
7
CHECK IGNITION COIL POWER SUPPLY CIRCUIT-IV
Check voltage between ECM relay terminal 7 and ground with CONSULT-II or tester.
SEC411C
OK or NG
OK
©
GO TO 9.
NG
©
GO TO 8.
8
DETECT MALFUNCTIONING PART
Check the following.
I
10A fuse
I
Harness connectors F4, M60
I
Harness connectors M10, E101
I
Harness for open and short between ECM relay and fuse
©
Repair or replace harness or connectors.
9
CHECK ECM RELAY
Refer to “Component Inspection”, EC-119.
OK or NG
OK
©
GO TO 18.
NG
©
Replace ECM relay.
10
CHECK CONDENSER GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between condenser terminal 2 and engine ground. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to power.
OK or NG
OK
©
GO TO 11.
NG
©
Repair open circuit or short to power in harness or connectors.
DTC 0201 IGNITION SIGNAL
Diagnostic Procedure (Cont’d)
EC-116
11
CHECK CONDENSER
Refer to “Component Inspection”, EC-119.
OK or NG
OK
©
GO TO 12.
NG
©
Replace condenser.
12
CHECK IGNITION COIL POWER SUPPLY CIRCUIT-V
1. Turn ignition switch OFF.
2. Reconnect harness connectors disconnected.
3. Disconnect ignition coil harness connector.
SEC393C
4. Turn ignition switch ON.
5. Check voltage between ignition coil terminal 1 and ground with CONSULT-II or tester.
SEF122Y
OK or NG
OK
©
GO TO 14.
NG
©
GO TO 13.
13
DETECT MALFUNCTIONING PART
Check the harness for open or short between ignition coil and ECM relay terminal 7.
©
Repair or replace harness or connectors.
14
CHECK IGNITION COIL GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between ignition coil terminal 2 and engine ground. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to power.
OK or NG
OK
©
GO TO 15.
NG
©
Repair open circuit or short to power in harness or connectors.
GI
MA
EM
LC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC 0201 IGNITION SIGNAL
Diagnostic Procedure (Cont’d)
EC-117
15
CHECK IGNITION COIL OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminals 1, 3, 5, 25 and ignition coil terminal 3. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK
©
GO TO 17.
NG
©
GO TO 16.
16
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connector F24, F101
I
Harness for open and short between ignition coil and ECM
©
Repair or replace harness or connectors.
17
CHECK IGNITION COIL WITH POWER TRANSISTOR
Refer to “Component Inspection”, EC-119.
OK or NG
OK
©
GO TO 18.
NG
©
Replace ignition coil with power transistor.
18
CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-82.
©
INSPECTION END
DTC 0201 IGNITION SIGNAL
Diagnostic Procedure (Cont’d)
EC-118
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