Diagnostic information and procedures
Steering symptom diagnosis

SteeringRear brake master cylinder assembly removal and installation
Refer to “rear brake hose routing diagram” (page 4a-
2).
Removal
Remove the right side frame cover. Refer to “exterior parts removal and
installation” in section 9d .
Remove the rear brake fluid reservoir mounting bolt
(1).
Drain brake fluid. Refer to “brake fluid replac ...
DTC “c42” (p1650): ig switch circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
Ignition switch signal is not input to the ecm.
Ignition system circuit open or short.
Ecm malfunction.
When the id agreement is not verified.
Ecm does not re ...
Regulator / rectifier inspection
Inspect the regulator/rectifier in the following procedures:
turn the ignition switch off.
Disconnect the regulator/rectifier couplers. Refer to “regulator /
rectifier removal and installation” .
Measure the voltage between the terminals using the multi-circuit
tester ...