Diagnosis Procedure
Regarding Wiring Diagram information, refer to PCS "Wiring Diagram".
1. CHECK FUSE AND FUSIBLE LINKS
Check that the following IPDM E/R fuse or fusible links are not blown.
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit.
NO >> GO TO 2
2. CHECK BATTERY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R.
3. Check voltage between IPDM E/R connectors and ground.
Is the measurement value normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between IPDM E/R connectors and ground.
Does continuity exist?
YES >> Inspection End.
NO >> Repair or replace harness.
REMOVAL AND INSTALLATION
B2099 Ignition relay off stuckDescription The ignition relay integrated in IPDM E/R is operated with ignition switch ON signal from the ignition switch. DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1. PERFORM SELF ...

Removal and Installation CAUTION: IPDM E/R integrated relays are not serviceable parts and must not be removed from the unit. REMOVAL 1. Disconnect the battery negative terminal. Refer to PG-6 ...
Power supply and ground circuit
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS "Wiring Diagram".
1.CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairing the affected ...
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1. OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2
2. REPRODUCE THE MALFUNCTION INFORMATION
Check the ...