IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Diagnosis Procedure
Regarding Wiring Diagram information, refer to PCS-28, "Wiring Diagram".
1. CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible link are not blown.

2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect IPDM E/R connectors.
Check voltage between IPDM E/R harness connector and ground.

3. CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and ground.


Power supply and ground circuit
Key slotPeriodic maintenance
ENGINE COOLANT
System Inspection
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns could occur
from high pressure
coolant escaping from the radiator. Wrap a thick cloth around the radiator cap.
Slowly turn it a quarter
turn to allow built-up pressure to escape. C ...
Rear window defogger power supply and ground circuit
Description
Heats the heating wire with the power supply from the rear window defogger
relay to prevent the rear window
from fogging up.
Component Function Check
1. CHECK REAR WINDOW DEFOGGER
Check that the heating wire of rear window defogger is heated when turning
the rear window defogge ...
B2128 UART communication line
Description
Driver seat control unit performs UART communication with the automatic drive
positioner control unit using 1 communication line. Driver seat control unit
receives the operation signals of ADP steering switch, door mirror remote
control switch and the position signals of tilt sens ...