Suzuki Liana RH413, Service Manual

Page: 179 / 1302

Engine General Information and Diagnosis: 1A-128
Throttle Valve Opening Signal Inspection
S3RH0A1104070
Check throttle valve opening (throttle position) signal referring to Step 3 to 5 of “DTC P1700 (No. 32 or 33): Throttle
Position Signal Circuit Malfunction in Section 5A”
If check result is not satisfactory, check each wire harness, circuit connections and TP sensor.
11 Check PNP signal (“D” range signal)
1) Turn ignition switch ON.
2) Check voltage at terminal “G03-6” of ECM connector
connected.
PNP signal
“P” and “N” range: 10 – 14 V
“R”, “D”, “2” and “L” range: 0 – 1 V
Is check result satisfactory?
Go to Step 12. Repair or replace.
12 1) Check IAC system referring to Step 3 or Step 4 of “DTC
P0505: Idle Control System Malfunction”.
Is check result satisfactory?
Go to Step 11. Go to Step 5 of “DTC
P0505: Idle Control
System Malfunction”.
13 Was IAC duty more than about 30% (or less than 70% for
OFF duty meter) in Step 1? Check parts or system
which can cause engine
low idle. (Accessory
engine load, Clog of air
passage, etc.) Substitute a known-
good ECM and recheck.
Step Action Yes No
I2RH0B110076-01