1.CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect ECM harness connector.
Disconnect IPDM E/R harness connector.
Check the continuity between IPDM E/R harness connector and ECM harness connector.
IPDM E/R
ECM
Continuity
Connector
Terminal
Connector
Terminal
E7
70
M107
127
Existed
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>>
GO TO 3
.
NO
>>
GO TO 2
.
2.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.
3.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
Check the continuity between IPDM E/R sensor harness connector and ECM harness connector.
DTC
IPDM E/R
ECM
Continuity
Connector
Terminal
Connector
Terminal
P1290
E7
54
F101
1
Existed
P2100
F102
49
P2103
F102
49
F101
1
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>>
GO TO 5
.
NO
>>
GO TO 4
.
4.DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E3, F1
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.
5.CHECK FUSE
Disconnect 15A fuse (No. 51) from IPDM E/R.
Check 15A fuse for blown.
Is the inspection result normal?
YES
>>
GO TO 6
.
NO
>>
Replace 15A fuse.
6.CHECK INTERMITTENT INCIDENT
Refer to
Intermittent Incident
.
Is the inspection result normal?
YES
>>
Replace IPDM E/R.
NO
>>
Repair or replace harness or connectors.