Infiniti I35 (A33). Manual — part 347
11
CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between stop lamp switch terminal 2 and ECM terminal 55.
SEC216D
Continuity should exist
3. Also check harness for short to ground and short to power.
OK or NG
OK
©
GO TO 13.
NG
©
GO TO 14.
12
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors M15, E81
I
Harness connectors M223, F53
I
Harness for open or short between stop lamp switch and ECM
©
Repair open circuit or short to ground or short to power in harness or connectors.
13
CHECK STOP LAMP SWITCH
Refer to “Component Inspection”, EC-628.
OK or NG
OK
©
GO TO 14.
NG
©
Replace stop lamp switch.
14
CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-152.
©
INSPECTION END
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ASCD BRAKE SWITCH
Diagnostic Procedure (Cont’d)
EC-729
Component Description
NHEC1240
ASCD indicator lamp illuminates to indicate ASCD operation status.
Lamp has two indicators, CRUISE and SET, and is integrated in
combination meter.
CRUISE indicator illuminates when MAIN switch on steering switch
is turned ON to indicate that ASCD system is ready for operation.
SET indicator illuminates when following conditions are met.
CRUISE indicator illuminates, and SET switch on steering switch
is turned ON while vehicle speed is within range of ASCD setting.
SET indicator remains lit during ASCD control. Refer to EC-54 for
ASCD functions.
CONSULT-II Reference Value in Data Monitor
Mode
NHEC1474
Specification data are reference values.
MONITOR ITEM
CONDITION
SPECIFICATION
CRUISE LAMP
I
Ignition switch: ON
I
MAIN switch is pressed at 1st
time
,
2nd time.
ON
,
OFF
SET LAMP
I
When vehicle speed is between 40
km/h (25 MPH) to 144 km/h (89 MPH),
and CRUISE switch is ON.
I
SET/COAST switch: Pressed
ON
I
SET/COAST switch: Released
OFF
ASCD INDICATOR LAMP
Component Description
EC-730
Wiring Diagram
NHEC1242
MEC899D
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ASCD INDICATOR LAMP
Wiring Diagram
EC-731
Diagnostic Procedure
NHEC1243
1
CHECK OVERALL FUNCTION
Check ASCD indicator under the following conditions.
MTBL1843
OK or NG
OK
©
INSPECTION END
NG
©
GO TO 2.
2
CHECK COMBINATION METER OPERATION
Check that combination meter operates normally.
OK or NG
OK
©
GO TO 3.
NG
©
Check combination meter circuit. Refer to EL-129.
3
CHECK INDICATOR CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between ECM terminals 24, 25 and ground with CONSULT-II or tester.
SEC028D
Battery voltage should exist.
OK or NG
OK
©
GO TO 5.
NG
©
GO TO 4.
4
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors F53, M223
I
Harness for open or short between combination meter and ECM
©
Repair open circuit or short to ground or short to power in harness or connectors.
5
CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-152.
©
INSPECTION END
ASCD INDICATOR LAMP
Diagnostic Procedure
EC-732
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