ground clearance INFINITI QX56 2011 Factory Service Manual

Page 596 of 5598


C1116 STOP LAMP SWITCHBRC-79
< DTC/CIRCUIT DIAGNOSIS > [WITH VDC]
C
D
E
G H
I
J
K L
M A
B
BRC
N
O P
C1116 STOP LAMP SWITCH
DTC LogicINFOID:0000000006222603
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK DTC DETECTION
With CONSULT-III.
1. Turn the ignition switch OFF to ON.
2. Perform self-diagnosis for “ABS”.
Is DTC
“C 111 6” detected?
YES >> Proceed to diagnosis procedure. Refer to BRC-79, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006222604
1.CHECK STOP LAMP FOR ILLUMINATION
Depress brake pedal and check that stop lamp turns ON.
Does stop lamp turn ON?
YES >> GO TO 2.
NO >> Check stop lamp system. Refer to EXL-40, "
Wiring Diagram".
2.CHECK STOP LAMP SWITCH CLEARANCE
1. Turn the ignition switch OFF.
2. Check stop lamp clearance. Refer to BR-7, "
Inspection and Adjustment".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Adjust stop lamp switch clearance. Refer to BR-7, "
Inspection and Adjustment".
3.CHECK STOP LAMP SWITCH POWER SUPPLY (1)
1. Disconnect ABS actuator and electric unit (control unit) harness connector.
2. Check voltage between ABS actuator and electr ic unit (control unit) harness connector and ground.
3. Turn the ignition switch ON. CAUTION:
Never start engine.
4. Check voltage between ABS actuator and electr ic unit (control unit) harness connector and ground.
DTC Display Item Malfunction detected condition Possible causes
C1116 STOP LAMP SW  When stop lamp switch signal is not input when brake
pedal depress.
 When stop lamp switch signal is not input when stop lamp relay operates.  Harness or connector
 Stop lamp switch
 Stop lamp relay
 ABS actuator and electric unit
(control unit)
 Battery power supply system
ABS actuator and electric unit (control unit) — Condition Voltage
Connector Terminal
E36 17 Ground Brake pedal depressed
Approx. 0 V
Brake pedal not depressed
Revision: 2010 May2011 QX56