DESCRIPTION
This circuit provides power to the certification ECU.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - BATTERY AND BODY GROUND) |
(a) Disconnect the F79 ECU connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F79-1 (+B) - Body ground |
Always |
11 to 14 V |
F79-16 (IG) - Body ground |
Engine switch off |
Below 1 V |
F79-16 (IG) - Body ground |
Engine switch on (IG) |
11 to 14 V |
F79-17 (CUTB) - Body ground |
Always |
11 to 14 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F79-15 (E) - Body ground |
Always |
Below 1 Ω |
*a |
Front view of wire harness connector (to Certification ECU) |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems ne ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL NO. 2 OIL COOLER TUBE SUB-ASSEMBLY
(a) Temporarily install the oil cooler tube to the fan shroud with bolt
A. Install bolt B and tighten it to the specified torque. Then tighten bolt
A to the specified to ...