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 slotP0507 ISC system
Description
The ECM controls the engine idle speed to a specified level via the fine
adjustment of the air, which is let into
the intake manifold, by operating the electric throttle control actuator. The
operating of the throttle valve is varied
to allow for optimum control of the engine id ...
Loading tips
The GVW must not exceed GVWR
or GAWR as specified on the
F.M.V.S.S./C.M.V.S.S. certification
label.
Do not load the front and rear axle to
the GAWR. Doing so will exceed the
GVWR.
WARNING
Properly secure all cargo with
ropes or straps to help prevent it
from sliding or shif ...
P0197, P0198 EOT sensor
Description
The engine oil temperature sensor is used to detect the engine oil
temperature. The sensor modifies a voltage signal from the ECM.
The modified signal returns to the ECM as the engine oil temperature
input. The sensor uses a thermistor which is sensitive to the
change in te ...