Diagnosis Procedure
1.CHECK FUSE
Check that the following fuse is not fusing.
Is the fuse fusing? YES >> Replace the fuse after repairing the applicable circuit.
NO >> GO TO 2.
2.CHECK GROUND CONNECTION
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace ground connection.
3.CHECK ECM GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK ECM POWER SUPPLY (MAIN)-1
Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 6.
5.CHECK ECM POWER SUPPLY (MAIN)--2
Is the inspection result normal? YES >> GO TO 9.
NO >> GO TO 7.
6.CHECK ECM POWER SUPPLY (MAIN) CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
7.CHECK ECM RELAY CONTROL SIGNAL
Check the voltage between ECM harness connector terminals as per the following.
Is the inspection result normal? YES >> Check Intermittent Incident. Refer to GI-41, "Intermittent Incident".
NO >> GO TO 8.
8.CHECK ECM RELAY CONTROL SIGNAL CIRCUIT
Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".
NO >> Repair or replace error-detected parts.
9.CHECK IGNITION SWITCH SIGNAL
Is the inspection result normal? YES >> GO TO 11.
NO >> GO TO 10.
10.CHECK IGNITION SWITCH SIGNAL CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
11.CHECK ECM POWER SUPPLY (BACK-UP)
Check the voltage between ECM harness connector terminals.
Is the inspection result normal? YES >> Check Intermittent Incident. Refer to GI-41, "Intermittent Incident".
NO >> GO TO 12.
12.CHECK ECM POWER SUPPLY (BACK-UP) CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
Daytime running light system
The daytime running lights automatically illuminate
when the engine is started with the parking
brake released. The daytime running lights operate
with the headlight switch in the OFF position
or in the position. Turn the
headlight switch
to the position for full
illumination when
drivin ...
ECU diagnosis information
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
1: With Intelligent Key system
2: With remote keyless entry
Fail-safe
CAN COMMUNICATION CONTROL
When CAN communicati ...
C1170 variant coding
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1170
VARIANT CODING
When the information in ABS actuator and electric
unit (control unit) is not the same.
ABS actuator and electric unit
(control unit)
DTC ...