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.
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
...
P0171 fuel injection system function
DTC Description
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from the
A/F sensors 1. The ECM calculates
the necessary compensation to corr ...
TCM
Exploded View
Bracket
Bracket
TCM
: Vehicle front
: N·m (kg-m, in-lb)
Removal and Installation
CAUTION:
Do not impact the TCM when removing or installing TCM.
When replacing TCM and transaxle assembly as a set, replace
transaxle assembly first and then
rep ...