1.CHECK GROUND CONNECTION

1. Turn ignition switch OFF.
2. Check ground connection M95. Refer to Ground Inspection in Circuit Inspection.

Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace ground connection.
2.CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT

1. Disconnect ECM harness connector.
2. Check the continuity between ECM harness connector and ground.

   ECM | Ground | Continuity
   Connector | Terminal
   F101 | 6 | Ground | Existed
   F102 | 54
   M107 | 124
   128

3. Also check harness for short to power.

Is the inspection result normal?
YES>>GO TO 4.
NO>>GO TO 3.
3.DETECT MALFUNCTIONING PART
Check the following.

- Harness connectors F103, M116
- Harness for open or short between ECM and ground

>>Repair open circuit or short to power in harness or connectors.
4.CHECK ECM POWER SUPPLY CIRCUIT-I

1. Reconnect ECM harness connector.
2. Turn ignition switch ON.
3. Check the voltage between ECM harness connector and ground.

   ECM | Voltage
   Connector | + | –
   Terminal | Terminal
   M107 | 106 | 128 | Battery voltage

Is the inspection result normal?
YES>>GO TO 6.
NO>>GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.

- Harness connectors E106, M6
- IPDM E/R harness connector E7
- 10A fuse (No. 44)
- Harness for open or short between ECM and fuse

>>Repair open circuit, short to ground or short to power in harness or connectors.
6.CHECK ECM POWER SUPPLY CIRCUIT-II

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Check the voltage between ECM harness connector terminals as follows.

   ECM | Voltage
   Connector | + | –
   Terminal | Terminal
   M107 | 121 | 128 | After turning ignition switch OFF, battery voltage will exist for a few seconds, then drop to approximately 0 V.
   122

Is the inspection result normal?
YES>>GO TO 7.
NO>>GO TO 9.
7.CHECK ECM POWER SUPPLY CIRCUIT-III

1. Turn ignition switch ON.
2. Check the voltage between IPDM E/R harness connector and ground.

   IPDM E/R | Ground | Voltage
   Connector | Terminal
   E7 | 53 | Ground | Battery voltage

Is the inspection result normal?
YES>>GO TO 8.
NO>>Replace IPDM E/R.
8.CHECK INTERMITTENT INCIDENT
Refer to Circuit Inspection.
>>INSPECTION END
9.CHECK ECM POWER SUPPLY CIRCUIT-III

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Check the voltage between ECM harness connector terminals as follows.

   ECM | Voltage
   Connector | + | –
   Terminal | Terminal
   M107 | 105 | 128 | Battery voltage

Is the inspection result normal?
YES>>GO TO 13.
NO>>GO TO 10.
10.CHECK ECM POWER SUPPLY CIRCUIT-IV

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

   ECM | IPDM E/R | Continuity
   Connector | Terminal | Connector | Terminal
   M107 | 105 | E7 | 69 | Existed

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

Is the inspection result normal?
YES>>GO TO 12.
NO>>GO TO 11.
11.DETECT MALFUNCTIONING PART
Check the following.

- Harness connectors E106, M6
- Harness for open or short between ECM and IPDM E/R

>>Repair open circuit, short to ground or short to power in harness or connectors.
12.CHECK 15A FUSE

1. Disconnect 15A fuse (No. 50) from IPDM E/R.
2. Check 15A fuse.

Is the inspection result normal?
YES>>GO TO 15.
NO>>Replace 15A fuse.
13.CHECK ECM POWER SUPPLY CIRCUIT-IV

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

   ECM | IPDM E/R | Continuity
   Connector | Terminal | Connector | Terminal
   M107 | 121 | E7 | 49 | Existed
   122

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

Is the inspection result normal?
YES>>GO TO 15.
NO>>GO TO 14.
14.DETECT MALFUNCTIONING PART
Check the following.

- Harness or connectors E106, M6
- Harness for open or short between ECM and IPDM E/R

>>Repair open circuit, short to ground or short to power in harness or connectors.
15.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
Is the inspection result normal?
YES>>Replace IPDM E/R.
NO>>Repair open circuit, short to ground or short to power in harness or connectors.