Nissan Juke Service and Repair Manual : PTC heater
Component Function Check
1.CHECK PTC HEATER OPERATION
1. Start the engine.
2. Operate fan control dial.
3. Operate temperature control dial to full hot position.
4. Check for warm air at discharge air outlet.
NOTE
:
• Engine must be cold.
• Battery must be charged.
Is the inspection result normal? YES >> INSPECTION END NO >> Refer to HAC-176, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK FUSE AND FUSIBLE LINK
1. Turn ignition switch OFF.
2. Check 30A fuses (Nos. 32 and 36) and 40A fusible link (letter F).
NOTE
:
Refer to PG-23, "Fuse and Fusible Link Arrangement".
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is blown.
2.CHECK PTC RELAY POWER SUPPLY
1. Disconnect PTC relay connector.
2. Turn ignition switch ON.
3. Check voltage between PTC relay harness connector and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair harness or connector between PTC relay and fuse or fusible link.
3.CHECK PTC RELAY CONTROL SIGNAL CIRCUIT FOR OPEN
1. Disconnect A/C auto amp. connector.
2. Check continuity between PTC relay harness connector and A/C auto amp. harness connector.
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair harness or connector.
4.CHECK PTC HEATER POWER SUPPLY CIRCUIT FOR OPEN
Check continuity between PTC relay harness connector and PTC heater harness connector.
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair harness or connector.
5.CHECK PTC HEATER GROUND CIRCUIT FOR OPEN
Check continuity between PTC heater harness connector and ground.
Is the inspection result normal? YES >> GO TO 6.
NO >> Repair harness or connector.
6.CHECK PTC RELAY
Check PTC relay. Refer to HAC-177, "Component Inspection (PTC Relay)".
Is the inspection result normal? YES >> GO TO 7.
NO >> Replace malfunctioning PTC relay.
7.CHECK PTC HEATER
Check PTC heater. Refer to HAC-178, "Component Inspection (PTC Heater)".
Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-188, "Removal and Installation".
NO >> Replace PTC heater.
Component Inspection (PTC Relay)
1.CHECK PTC RELAY
1. Remove PTC relay.
2. Check continuity between PTC relay terminals 3 and 5 when the voltage is supplied between terminals 1 and 2.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace malfunctioning PTC relay.
Component Inspection (PTC Heater)
1.CHECK PTC HEATER
Check resistance between PTC heater terminals.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace PTC heater.
Magnet clutch
Component Function Check
1.CHECK MAGNET CLUTCH OPERATION
Perform auto active test of IPDM E/R. Refer to PCS-12, "Diagnosis
Description" (with Intelligent Key) or PCS-
43, "Diagnosi ...
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DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn
ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
With CONSULT ...
Front wheel hub and knuckle
Inspection
COMPONENT PART
Check that the mounting conditions (looseness, backlash) of each component
and component conditions
(wear, damage) are normal.
WHEEL HUB ASSEMBLY (BEARING-INTEGRATED TYPE)
Check the following items, and replace the part if necessary.
• Move wheel hub assembly in ...
B1006, B1007, B1008, B1009, B1010 diagnosis sensor unit
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp statu ...
