DTC Logic

DTC DETECTION LOGIC

NOTE

:
When IPDM E/R DTC is indicated with DTC P0560, IPDM E/R DTC must be checked first.

Diagnosis Procedure

1.CHECK BATTERY VOLTAGE

1. Turn ignition switch ON.

2. Check battery voltage.

Voltage: Above 11 V

Is the inspection result normal? YES >> GO TO 2.

NO >> Recharge the battery.

2.CHECK BATTERY TERMINALS

1. Turn ignition switch OFF.

2. Check battery terminals condition.

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair the battery terminals.

3.CHECK BATTERY AND ALTERNATOR

Check that the proper type of battery and type of alternator are installed.

Refer to, PG-126, "Battery" and CHG-35, "Alternator".

Is the inspection result normal? YES >> GO TO 4.

NO >> Replace with a proper one.

4.CHECK ECM POWER SUPPLY CIRCUIT-I

Check the voltage between ECM harness connector and ground.

Is the inspection result normal? YES >> GO TO 8.

NO >> GO TO 5.

5.CHECK ECM POWER SUPPLY CIRCUIT-II

1. Disconnect ECM harness connector.

2. Disconnect IPDM E/R harness connector E14.

3. Check the continuity between ECM harness connector and IPDM E/R harness connector

4. Also check harness for short to ground and short to power.

Is the inspection result normal? YES >> GO TO 7.

NO >> GO TO 6.

6.DETECT MALFUNCTIONING PART

Check the following.

• Harness connectors E8, F1 • Harness for open or short between ECM and IPDM E/R

>> Repair open circuit or short to ground or short to power in harness or connectors.

7.CHECK 20A FUSE

1. Disconnect 20A fuse (No. 43) from IPDM E/R.

2. Check 20A fuse.

Is the inspection result normal? YES >> GO TO 8.

NO >> Replace 20A fuse.

8.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident", ???INCIDENT SIMULATION TESTS??? and ???GROUND INSPECTION???.

Is the inspection result normal? YES >> Replace IPDM E/R.

NO >> Repair or replace.