Commercial Service Tool

PrecautionCooling system
Cooling Circuit
Cylinder block (RH)
Oil cooler
Cylinder head (RH)
Water pump
Radiator
Water inlet
Thermostat
Cylinder head (LH)
Cylinder block (LH)
To heater
To electric throttle control actuator
From heater
From electric throttle control act ...
Main line between DLC and HVAC circuit
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
ECM
A/C auto amp.
Check the continuity between the data link connector and the A/C ...
IPDM-E branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the IPDM E/R for damage,
bend and loose connection (unit side
and connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
...