Component function check
1. Check front wiper hi operation
Ipdm e/r auto active test
Consult active test
Hi : front wiper hi operation
Off : stop the front wiper.
Is the inspection result normal? Yes >> the front wiper motor hi circuit is normal.
No >> refer to ww-39, "diagnosis procedure".
Diagnosis procedure
Regarding wiring diagram information, refer to ww-24, "wiring diagram - with intelligent key" or ww-29, "wiring diagram - without intelligent key".
1. Check front wiper motor (hi) input voltage
Consult active test
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace IPDM E/R. Refer to PCS-30, "Removal and Installation" (with Intelligent Key system) or PCS-58, "Removal and Installation" (without Intelligent Key system).
2. Check front wiper motor (hi) open circuit
Is the inspection result normal?
Yes >> go to 3.
No >> repair or replace the harness or connectors.
3. Check front wiper motor (hi) short circuit
Check continuity between ipdm e/r harness connector e45 and ground.
Is the inspection result normal? Yes >> repair or replace the harness or connectors.
No >> replace front wiper motor. Refer to ww-62, "removal and installation".
Dtc/circuit diagnosis
Malfunction area chart
Main line
Branch line
Short circuit
Main line between ipdm-e and dlc circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors fo ...
DTC/Circuit diagnosis
U0073 COMMUNICATION BUS A OFF
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
U0073
COMM BUS A OFF
(Control Module Communication
Bus A Off)
TCM communication blockage lasts for 2 sec ...
P0604 ECM
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0604
ECM
[Internal control module
random access memory
(RAM) error]
Malfunction in the internal RAM of ECM.
ECM
DTC CON ...