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 ...
Other materials:
Diagnosis system (combination meter)
On Board Diagnosis Function
ON BOARD DIAGNOSIS ITEM
The combination meter allows the following diagnosis items with the on-board
diagnosis function.
METHOD OF STARTING
1. Turn ignition switch ON, and switch the trip meter to “trip A” or “trip
B”.
2. Turn ignition switch OFF.
3. While pre ...
Component parts
Component Parts Location
LHD
2WD
1. ECM
Refer to EC-25, "ENGINE CONTROL
SYSTEM :
Component Parts Location"
(MR16DDT), EC-455, "ENGINE
CONTROL SYSTEM :
Component Parts Location"
(HR16DE), EC-813, "Component
Parts Location" (K9K).
2. TCM*1
Refer to TM-314, ...
ABS branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the ABS actuator and electric unit
(control unit) for damage, bend
and loose connection (unit side and connector side).
...